Rocks deformed under low to moderate temperatures (less than 300oc) may develop a planar fabric along which they break called?
Answers
Rocks deformed under low to moderate temperatures may develop a planar fabric along which they break called Rock cleavage.
When heat and pressure produce deformation and metamorphism in fine-grained rocks, a sort of layering or planar structure known as cleavage develops. Geologists refer to specific forms of deformed recurring layers that occur inside the metamorphic rock as foliation, and cleavage is one such type. In fine-grained rocks, cleavage is a kind of secondary foliation characterized by planar fabric components that develop in a preferred orientation.
Several mechanisms work together to create cleft foliation, and these mechanisms rely on the composition of the rock, tectonic movements, and metamorphic processes. The degree and direction of the stress, as well as the ambient pressure and temperature, all affect how a mineral deforms.
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Related Questions
you collect radioactive data from a specimen you are trying to give an absolute age for--the half life for isotope a-b is 80 milion years. 75% of the atoms represent isotope b (daughter) and 25% of the atoms represent isotope a (parent). which of the following would this isotope be useful for dating? question 5 options: a) rocks forming in the early archean. b) rocks that formed any time in the precambrian. c) rocks that formed in the proterozoic only. d) rocks that formed any time in earth history. e) phanerozoic rocks.
Answers
The correct answer is option (c) rocks that formed in the proterozoic only
Radioactive dating is a method of dating rocks and fossils using isotopes of elements. It is based on the decay of radioactive isotopes and the ratios of parent to daughter isotopes.Thus, to determine the absolute age of rocks or fossils, it is necessary to collect radioactive data from a specimen. The half-life for isotope A-B is 80 million years. 75% of the atoms represent isotope B (daughter) and 25% of the atoms represent isotope A (parent).Based on the given information, the isotope would be useful for dating rocks that formed in the Proterozoic only.
This is because the half-life of the isotope is 80 million years, so the time span during which the radioactive dating could be used is restricted to periods in which the rock's age lies between 10 million and 640 million years. As a result, it can only be used for dating rocks that formed during the Proterozoic era (between 2.5 billion and 540 million years ago).
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(Please help. 18 points!!!) Which of the following are resources of the Amazon rain forest?
Check ALL that apply.
A. History
B. Plant Biodiversity
C. Land
D. Water
Answers
Answer:
B, C&D
Explanation:
These are the answers
Answer: it’s all of them for ap*x
Explanation: i just took it rn
Evidence of extensive glaciation has been suggested as an explanation for extinctions at the end of the permian period. Such glaciation could have disrupted ocean ecosystems by producing which effect?.
Answers
Steep drop in ocean volume and area is the correct answer. A broad, generally shallow undersea terrace of continental crust that forms the margin of a continent is known as a continental shelf.
Most continental shelves feature a topography known as ridge and swale, which is a gently sloping terrain. The geology of continental shelves is frequently comparable to that of the neighboring exposed area of the continent. About 8% of the earth's surface is made up of continental shelves. Sand, silt, and silty mud are typically present as a layer on continental shelves. Their surfaces have some relief, with a mix of shallow depressions, valley-like troughs, and minor hills, ridges, and hills. In a few instances, submerged canyons with steep walls and a V-shape carved deeply through the shelf and slope.
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How does population growth effect climate change
Answers
Answer:
The more people who live on Earth, the warmer the Earth will be. Since there is a higher population, more food needs to be produced,more clean water needs to be sourced and shipped out, and more trees need to be cut down for lumber to build homes. This means that soil will be damaged from over-harvesting and there will be less clean water. There also will be more cars and factors that emit gas and carbon into the air, which causes the Earth to warm up, melting the ice caps, decreasing the amount of clean water there is on Earth, and filling the oceans with viruses and diseases. So for the time being, the more people there are on Earth, the harder the lives for everyone else will be. Limiting and making sure that the population stays at a steady rate will decrease the negative effects of climate change.
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How did the culture of ancient Rome reflect Roman values and beliefs? Choose three correct answers.
___________________________________________________________
A) Many Roman temples were built to honor gods and goddesses.
B) Many Greek gods came to be identified with Roman gods.
C) Statues of gods were in animal shapes, connecting the Romans with nature.
D) Romans were not open to new ideas or influences from other people.
E) Romans set up shrines in their homes to honor the household deities.
___________________________________________________________
Answers
Explanation:
I did this!
The country of ____________________ means “Black Mountain.”
Answers
Answer:
Montenegro
Have a good day!
Which sentence best supports the idea that writing science fiction allows an author to be imaginative?
A science fiction writer has to learn a lot about scientific topics and theories.
A science fiction writer is different from a fantasy writer in many ways.
A science fiction writer might invent new technologies that do not yet exist.
A science fiction writer is a type of author, but there are other types as well.
Answers
Answer:
A science fiction writer might invent new technologies that do not yet exist.
Explanation:
It is important to check the context clues, so it'll be easy to choose the correct answer.
The question above mentioned the term "science fiction." This term is all about imagination and things that are related to the future like "time machines." The concept of this term is very advanced–mostly involving technologies that are not existing at the moment. This makes the science fiction writer very imaginative and flexible with his ideas.
BODIES OF WATER
6
11
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2)
9
3)
I
4)
8
4
5)
6)
7)
3 100
D
12B
E
2
8)
9)
10)
5
11)
Answers
Answer:
Top 10 Largest Bodies of Water in the World
Body of Water.
Pacific Ocean. Atlantic Ocean.
Indian Ocean.
Arctic Ocean.
South China Sea.
Caribbean Sea.
Mediterranean Sea.
Bering Sea.
The hundreds of varied fruit fly species on the hawaiian islands arose through adaptive radiation. which piece of evidence would best support this claim?
Answers
The hundreds of varied fruit fly species on the Hawaiian Islands arose through adaptive radiation. The piece of evidence would best support this claim is:
The Hawaiian fruit fly species are more closely related to each other genetically than they are to non-Hawaiian fruit flies.
ABOUT HAWAIIHawaii is one of two states in the United States that are located separately from the mainland. It is geographically located in the middle of the Pacific Ocean and is approximately 2,000 miles (3,200 km) from the southwestern United States.
In addition, Hawaii is the only US state that is a chain of islands. Before joining the US, Hawaii was an independent nation.
Early history of HawaiiThe first settlers of the Hawaiian Islands were Polynesian sailors, who arrived around the 8th century. After that, followed by immigrants from Raiatea, Bora Bora, Tahiti, where the community is led by a tribal chief. Hawaiians' first contact with Europeans occurred in 1778, when Captain James Cook arrived with his fleet.
After James Cook's visit, the Hawaiian Islands began to attract the attention of Europeans and Americans, who came with various interests. However, the newcomers turned out to bring the pe plague
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The Great Compromise settled the disagreements between the small and large states.
True
False
Answers
Answer:
True
Explanation:
Use the drop-down menus to complete the statement. The magnetic field lines of a magnet spread out from the and re-enter the magnet at the .
Answers
The magnetic field lines of a magnet spread out from the and re-enter the magnet at the North Pole.
The north pole of the compass needle is thought to move inside the magnetic field, and this movement is assumed to be the magnetic field's direction.
The field lines are assumed to emerge from the north pole and combine at the south pole as a result of convention. From the magnet's south pole to its north pole, field lines move inside it. The magnetic field lines are closed curves as a result.
The degree of proximity between the field lines reveals the magnetic field's relative strength. Where the field lines are dense, the field is stronger, i.e., the force acting on the pole of another magnet is greater. There are no field lines that intersect one another.
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Analyze the image below and answer the question that follows.
A satellite view of a city. On the left is 2007. On the right is 2008. The left map has red stars showing stores that opened. The right map has red stars of stores opened in 2007 and blue circles from stores that opened in 2008.
Image courtesy of NASA Earth Observatory
The map above shows an example of how we can combine maps and data using GIS. The background is a satellite map of a city. The red stars show grocery stores that opened in 2007, and the blue circles show stores that opened in 2008.
Based on the information on the map above, what conclusion can you infer about the population of this area?
A. The population is experience overall economic decline.
B. The population of the area is aging.
C. The population prefers to shop on one side of town and live on another.
D. The population of the area has likely increased.
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
it is c
Explanation:
c because I am taking a test right now I have a hour to do it.
The North Atlantic and North Pacific are ecologically similar, at about the same
latitude, have similar seasonal cycles of temperature and light, etc. but the North
Pacific does not have a classic "spring bloom". Explain what is similar and different between the two regions, and how this relates to phytoplankton blooms. Please include the following:
a. What physical similarities/differences are there?
b. Is top-down or bottom-up control more important? Explain
c. How does this relate to primary productivity versus primary production (rates versus biomass)?
d. How would iron fertilization, either natural (volcanic activitv) or manmade alter these patterns in the North Atlantic and North Pacific?
Answers
The North Atlantic and North Pacific regions have similarities and differences in terms of phytoplankton blooms, with variations in physical factors, nutrient availability, and top-down control. Iron fertilization, whether natural or manmade, could alter these patterns.
The North Atlantic and North Pacific share similarities in terms of latitude and seasonal cycles of temperature and light, which influence the availability of sunlight for photosynthesis by phytoplankton. However, the presence of a classic "spring bloom" differs between the two regions.
Physical differences, such as variations in ocean circulation, mixing, and water column stability, contribute to differences in nutrient availability and the development of phytoplankton blooms. Bottom-up control, primarily driven by nutrient availability, is more important in the North Atlantic, where the spring bloom is prevalent. In contrast, the North Pacific experiences stronger top-down control, with grazers exerting greater influence on phytoplankton populations.
The North Atlantic exhibits higher primary productivity rates and biomass due to the availability of nutrients and the occurrence of a spring bloom. The North Pacific, without a prominent spring bloom, has lower primary productivity and biomass. Iron fertilization, whether natural (volcanic activity) or manmade, could potentially alter the bloom patterns in both the North Atlantic and North Pacific. Iron is a crucial micronutrient for phytoplankton growth, and its availability can limit primary productivity. Artificial or natural iron inputs may enhance primary production and influence the dynamics of phytoplankton blooms in these regions.
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While the North Atlantic and North Pacific share some ecological similarities, their differences in nutrient availability, top-down and bottom-up control mechanisms, and the potential impact of iron fertilization contribute to variations in phytoplankton blooms and primary productivity between these regions.
a. Physical Similarities/Differences:The North Atlantic and North Pacific are similar in terms of their latitudes and seasonal cycles of temperature and light. Both regions experience similar physical conditions such as sunlight availability and temperature variations. However, they differ in terms of their oceanographic features, water circulation patterns, and nutrient distributions. The North Atlantic is influenced by the Gulf Stream and has a more pronounced vertical mixing of water masses compared to the North Pacific.
b. Top-Down vs. Bottom-Up Control:The importance of top-down (predator-driven) or bottom-up (nutrient-driven) control varies between the two regions. In the North Atlantic, bottom-up control is often more important, where the availability of nutrients, particularly nitrogen and phosphorus, limits phytoplankton growth. In contrast, the North Pacific is characterized by strong top-down control due to the presence of grazers like copepods that consume phytoplankton, keeping their populations in check.
c. Primary Productivity vs. Primary Production:Primary productivity refers to the rate at which organic matter is produced through photosynthesis by phytoplankton. The North Atlantic, with its nutrient-rich conditions, supports high primary productivity. In contrast, the North Pacific experiences lower primary productivity due to nutrient limitations. However, primary production (accumulated biomass) may still be substantial in the North Pacific due to longer phytoplankton growth seasons and the presence of large diatom species that can store significant biomass.
d. Iron Fertilization and its Impact:Iron fertilization, whether natural (volcanic activity) or manmade, can significantly alter the patterns of phytoplankton blooms in both the North Atlantic and North Pacific. Iron is a critical micronutrient for phytoplankton growth, and its availability often limits productivity in these regions. Fertilization events can stimulate phytoplankton growth, leading to enhanced blooms and increased primary productivity. However, the effectiveness and ecological consequences of iron fertilization are still subjects of scientific research and debate, as it can have complex and varying impacts on the marine ecosystem.
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what patterns of spatial distribution exist in the United States’ political parties.
Answers
Answer:
In the United States, political parties tend to have distinct spatial distributions. Generally, the Democratic Party is more popular in urban areas, while the Republican Party is more popular in rural areas. Additionally, the Democratic Party tends to be more popular in the Northeast and West Coast, while the Republican Party is more popular in the Midwest and South.
The pyramid of khufu in egypt has a length of 230 meters and stands at 150 meters high. Calculate the width of the pyramid's rectangular base provided tha the volume is approximately 1,150,000 cubic meters.
Answers
Answer:
Width of pyramid = 100 m
Explanation:
Given:
Length = 230 m
Height = 150 m
Volume of pyramid = 1,150,000
Find:
Width of pyramid
Computation:
Volume of pyramid = LBH / 3
1,150,000 = (230)B(150) / 3
Width of pyramid = 100 m
Write a short poem or some catchy phrases to help memorize the beliefs or
effects of Hinduism. (3-4 lines) Use rhymes, similes, metaphors, etc..
Answers
Still your mind with me, still yourself with me and without a doubt you shall be united with me, love of god dwelling in your heart.
What are the fundamental tenets of Hinduism?Hindus believe in the perpetual cycle of birth, death, and rebirth known as samsara and karma (the universal law of cause and effect). The concept of "atman," or the existence of a soul, is highly valued in Hinduism. Every living creature has a soul of its own and is a part of the supreme soul, according to this school of thinking.
What do Hindus think of God?Hindus hold both a personal relationship with God and a belief in the formless Absolute Reality as God. Hinduism, the first monotheistic religion, has the best understanding of God because of this freedom. Another distinctive aspect of Hinduism is its insistence that experiencing God is the soul's ultimate objective.
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What prevents ldcs from de industrializing themselves and transitioning to primarily service based economies
Answers
Answer:
There is aboslutely no motivation or rationale for them to de-industrilize themselves because of the heavy concentration of mineral resurcources in many parts of those nations.
Explanation:
LDCs is an acronym for Least Developed Countries.
According to the principles of economics, it is best to site a manufacturing plant closest to the source of raw material input. This helps ensure that the cost of transporting those inputs to the factories for processing is not astronomical as is the case in many business models today.
It, therefore, behooves the nation-states in the said LDCs that have an abundance of natural resources to continue to push for industrialization rather than de-industrialization.
Africa is estimated to be the richest continent in the world. Here is why:
Gold reserves along in the year 2011 stood at $138 billion. Iron ore at $128 trillion
Her fossil fuel which makes up about 50 percent of the value of all non-petroleum mineral production worldwide was given as $ 600 Billion.
It is for these reasons above and more that it will be difficult for LDCs to suddenly evolve into primarily service-based economies.
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Weather map: surface temperatures of north america
review the weather map and answer the questions that follow. your answers do not need to be
complete sentences.
1. what is the interval of the isotherms on this map?
2. what is the temperature at letter d?
3. what is the lowest temperature in degrees fahrenheit on the map?
4. which letter indicates a temperature of about 67 degrees fahrenheit?
5. what is the hottest temperature in degrees fahrenheit on the map?
6. which letter has roughly the same temperature as letter c?
Answers
Answer:
1:52: 45 3: 45 4: E 5: 90 6: K
Explanation:
glaciers covered part of kansas 1.8 million years ago to 10,000 years ago. where in kansas have glaciers scoured off the natural landscape?
Answers
Glaciers covered part of kansas 1.8 million years ago to 10,000 years ago. Northeast Kansas in kansas have glaciers scoured off the natural landscape.
Twenty counties make up Kansas' northeast region, which is located in that state. The Flint Hills, a native tallgrass prairie landscape shielded from ploughing by a layer of rock just below the soil's surface, are located in this region's westernmost corner.
A water stop that was essential to travellers on the Oregon Trail, picturesque roads, and superb geology examples of changes brought on by the cycle of seas covering sections of the state and retreating over millions of years can all be found at locations in this region.
There is a widespread misconception that people from the Midwest, and especially Kansas Citians in particular, speak without an accent. However, that is untrue.
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which detrital sediment would form in the lowest energy environment? hint: you must be low energy because your so fine!
Answers
In the context of detrital sediments, clay particles typically form in the lowest energy environment. Due to their fine grained nature, clay particles require minimal energy to be transported and deposited, making them ideal for low-energy environments.
Clay particles are very fine and require a low energy environment, such as quiet water, to settle and accumulate. In contrast, larger and heavier detrital sediments like sand and gravel require higher energy environments, such as flowing water or strong winds, to be transported and deposited.
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Item 4
The Andes Mountains are found along the western coast of South America.
Which kind of plate boundary is responsible for this mountain range?
The North American plate and the South American plate are at a transform boundary.
The North American plate is diverging with the South American plate.
The Nazca plate and the North American plate are at a transform boundary.
The Nazca plate is converging with the South American plate.
Answers
Answer:
D
Explanation:
The Nazca plate is converging with the South American plate.
Flooding because of dam failures, flooding due to subsidence, and rupturing gas lines are ______ due to earthquakes, whereas shaking of structures and buildings, liqu
Answers
While building shaking and structural collapse due to faulting are strike slip effects of earthquakes, gas line ruptures are an explosive result of earthquakes.
Faulting associated to EarthquakesA crack or cluster of cracks separating two rock blocks is referred to as a fault.
Due to problems, the blocks could move in relation to one another.
It is possible for this movement to occur suddenly, like in an earthquake, or gradually, like in creep.
As a result, we can see that strike slip and explosives are the main causes.
An earthquake is what?Earthquakes can be caused by a fault slipping quickly, the resulting ground shaking, the seismic energy released as a result of the slip, volcanic or magmatic activity, or other sudden changes in the earth's stress.Why do tremors occur?Even though the tectonic plates are always moving slowly, friction makes their edges impenetrable. Waves of energy are created when the stress on the edge is greater than the friction, and these waves move into the earth's crust to produce the shaking we experience.To learn more about earthquake visit:
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Which of the following is not a centripetal force? *
O Shared culture
O Nationalism
O Common language
O Mountain range that cuts across the country
Answers
Answer:
I think it's mountain range that cuts across the county
If the Amazon
droughts are a result of climate change, how
might this affect future settlement and
development?
Answers
If the Amazon droughts are a result of climate change, it could significantly impact future settlement and development.
The increase in drought events would pose challenges to agriculture, as water scarcity would hinder crop growth and productivity. This could lead to food shortages, economic losses, and displacement of communities relying on agriculture. Moreover, the Amazon rainforest, known as the "lungs of the Earth," plays a vital role in regulating the global climate by absorbing carbon dioxide.
If droughts become more frequent and severe, it could lead to increased deforestation, loss of biodiversity, and further exacerbation of climate change. This would have far-reaching consequences for not only the local communities but also the global environment.
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what 3 large bodies of water pass through africa
Answers
Answer:
Africa, the second-largest continent, is bounded by the Mediterranean Sea, the Red Sea, the Indian Ocean, and the Atlantic Ocean
Explanation:
which metamorphic rock formed in extreme regional metamorphism that caused the rock to partially melt?
Answers
The metamorphic rock that forms during extreme regional metamorphism that caused the rock to partially melt is called "migmatite". Migmatite is a rock at the frontier between igneous and metamorphic rocks, and it forms under extreme temperature conditions during prograde metamorphism. As the rock heats up and undergoes increasing pressure, it begins to partially melt. This cause the mineral crystals in the rock to recrystallize and fuse with the melted portions, resulting in the banded appearance of migmatite. Other examples of metamorphic rocks that can form from regional metamorphism include gneiss, schist, slate, and marble.
in general, where do both earthquakes and volcanic eruptions occur?
Answers
Both earthquakes and volcanic eruptions occur at tectonic plate boundaries.
The Earth's crust is broken into a number of large plates that move slowly relative to each other. At the boundaries between these plates, there is often a great deal of geological activity, including earthquakes and volcanic eruptions.
There are three types of tectonic plate boundaries: divergent boundaries, where plates move away from each other; convergent boundaries, where plates move towards each other; and transform boundaries, where plates slide past each other.
Earthquakes can occur at all three types of boundaries, but they are most common at transform and convergent boundaries, where the movement of the plates can cause friction and stress that builds up over time and is eventually released in the form of an earthquake.
Volcanic eruptions, on the other hand, are most common at divergent and convergent boundaries, where the movement of plates can cause magma to rise to the surface and erupt.
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Marking as brainiest!
Make a poem based on this DBQ:
Female Workers in Japanese Silk Factories: Did the Costs Outweigh the Benefits?
Answers
Answer:
The answer is yes thanks for chating
What are six kinds of special purpose maps?
Answers
Answer:
1. Relief Maps
2. Climate Maps
3. Population Density Maps
4. Vegetation Maps
5. Perception Maps
6. Economic Activity Maps
What is the main function of this organelle in the cell?
A. To store enzymes that break down food
B. To store food and other materials inside the cell
C. To provide the cell with energy for its activities
D. To hold and protect the cell's DNA
Answers
Answer:
i believe it is C
Explanation:
google said it helps the cell do its functions daily
Answer:
to hold and protect the cell's DNA
Explanation:
i did the quiz