Ultramafic rocks comprise more than \( 90 \% \) mafic minerals and less than \( 10 \% \) quartz, albite and orthoclase. True False

Answer:

It blocks UV rays from the sun

Explanation:

The formation of the ozone layer contributes to the blocking of the harmful UV rays of the sun. Usually these rays would be extremely harmful to organisms and while they cant be seen they change the chemical structure of molecules

Answer:

the right answer is a

Explanation:

The compositional layer that we would travel through the exact centre of Earth is the core. The correct option is a.

Earth has two layers of core, they inner and outer core. The Inner Core has the centre and the hottest layer of the Earth. The inner core is solid and made up of iron and nickel with temperatures up to 5,500oC. Due to its immense heat energy, the inner core is more like the engine room of the Earth.

The outer core of the Earth is similar to a very hot ball of metals, whose temperature is around 4000 oF to 90000F. It is so hot that the metals inside are all liquid. The outer core is around 1800 miles under the crust and is approximately 1400 miles thick. It is composed of metals such as iron and nickel.

The outer core surrounds the inner core.

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Answer:

Africa will fight and go to war.

Explanation:

i dont know i use my own brain.

If it is 10 pm on Wednesday in Sydney Australia, it is 2 pm in Moscow, Russia.

Physical weathering is the breaking down of rocks into smaller pieces.

\(\large \mid \underline {\bf {{{\color{green}{Example \: ...}}}}} \mid\)

Cracking of rock caused by the freezing and thawing of water.

(a) Magnitude of net displacement of dip-slip and strike-slip is |AB| = 523.15m.

(b) The vertical component of net displacement is x = 400.7 m.

Vectors are the quantities that have magnitude as well as direction. Though the question is stated in 3-D but we can imagine the problem in 2-D as the main vectors acting are in 2-D with each other. Resultant vector is the vector sum of the vectors which is basically the point or position or direction in which the combined action of all vectors occurs.

Net displacement is the resultant of dip-slip vector and strike-slip vector which is evaluated as,

AD = 16.9 m

AC = 22.5 m

Net Displacement = |AB| = \(\sqrt{|AD|^2+|AC|^2}\)

Putting the values of variables from question,

|AB| = \(\sqrt{(16.9m)^2+(22.5m)^2}\)

|AB| = 523.15 m

Therefore, magnitude of net displacement of dip-slip and strike-slip is |AB| = 523.15m.

(b) Now according to the question, we have been provided with the horizontal angle of AB vector and the value of its vertical component is being asked.Any vector, on substitution yields two components. One is the cos component and the other is the sin component.

As we have been provided with horizontal angle and is asked for vertical component, hence the vertical component of net displacement (let x) is,

x = ABsinϕ

Putting value of ϕ from question and of AB from the last part,

x = 523.15 sin (50°)

Calculating the equation will give,

x = 400.7m

Therefore, the vertical component of net displacement is x = 400.7 m.

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Answer: Atlantic Ocean

Answer: That would be the Atlantic ocean lad :)

Explanation:

hope this helps have a great day :)))

Answer:

Explanation:

\((x-5)^2\) is a square of an expression with two terms, meaning that we can use the imformation, \((a+b)^2 = a^2+2ab+b^2\)

In this case, our a = x, and our b = -5

\(a^{2}\) would simply be \(x^2\)

our 2ab would simply be \(2(x)(-5)\) which is -10x

And our \(b^2\) would be \((-5)^2\) which is 25

So that means that

\((x-5)^2\) would be equal to \(x^2-10x+25\) in standard form

Hope this helps.

One of the best ways to recognize a rip current is spotting a narrow, fast-moving channel of water moving seaward.

Rip currents are strong, narrow currents that flow away from the shore and can be dangerous for swimmers. From above, they are often identifiable by a narrow, fast-moving channel of water moving seaward.

Additionally, look for differences in water color, as rip currents may appear darker or murkier than the surrounding water.

They can also be recognized by a break in the wave pattern or the presence of foam, seaweed, or debris moving steadily offshore.

Understanding these signs is important for beachgoers to ensure their safety in the water.

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The statement given "Areas with more rainfall will have the same rate of soil formation as areas with less rainfall. " is false because the rate of soil formation is influenced by several factors, including climate and rainfall.

Areas with more rainfall generally have a higher rate of soil formation compared to areas with less rainfall. Rainfall plays a crucial role in weathering rocks, transporting minerals, and providing moisture for organic matter decomposition, all of which contribute to the formation of soil. In regions with higher rainfall, water can penetrate deeper into the ground, allowing for greater leaching and nutrient accumulation in the soil. On the other hand, areas with less rainfall experience slower soil formation processes due to limited water availability, which affects the weathering and decomposition rates.

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Answer:

Corn, soybeans, barley and oats

Explanation:

Answer:

New York City

Fossils found in shallower layers as younger than those found in the deeper layers by using the principle of stratigraphy.

The description of geological successions and their interpretation in terms of a broad time scale are central concerns of the scientific area of stratigraphy. Its principles and approaches have been applied in petroleum geology, historical geology, and archaeology, among other fields.

The focus of stratigraphic studies is on sedimentary rocks, although they may also include layered igneous rocks (like those made by successive lava flows) or metamorphic rocks that were made from either such extrusive igneous material or sedimentary rocks.

A common goal of stratigraphic investigations is to divide a sequence of rock strata into mappable units, determine the time relationships at work, and correlate particular units of the sequence or the entire sequence with rock strata elsewhere.

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Niches, shallow caves, rock arches, and pits seen in sandstone formations in dry climates are most likely the result of salt-crystal growth.

Contact metamorphism takes place adjoining to igneous intrusions and consequences from high temperatures associated with the igneous intrusion.

Considering the fact that best a small location surrounding the intrusion is heated by the magma, metamorphism is restricted to the region surrounding the intrusion, known as a metamorphic or contact aureole.

There are three important sorts of rocks: sedimentary, igneous, and metamorphic.

Every one of these rocks is fashioned by means of physical modifications—which includes melting, cooling, eroding, compacting, or deforming—which are part of the rock cycle.

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The reference line passes through both the geographic North Pole and the geographic South Pole is option 2. 0° longitude.

Meridians of longitude refers to the imaginary lines that pass from the North Pole to the South Pole. Meridians of longitude run perpendicular to the Equator. The 0 degrees line which is otherwise known as the Prime Meridian, runs through Greenwich meridian. Prime Meridian is the starting point for all other lines of longitude.

Therefore, the correct answer is as given above.

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Answer:0° longitude

Explanation:

Answer:

7

Explanation:

Triangle UVW map to triangle XYZ where Triangle UVW has side Lengths 3,4,2, and triangle XYZ has lengths 14,28,21.

We know that the scale factor between two similar figures is the the ratio of the corresponding side of image to the original figure.

\(k=21divide by 3=14 divide by 2=28divide by7\\k=7\)

pliz mark brainliest hope i helped

Answer:

higher in summer

Explanation:

because the days are longer.

Answer:

They note that this indicates that people living below the poverty line were more likely to lack access to a key resource needed for evacuation, which resonates

Explanation:

Answer: Electromagnetic spectrum

Explanation: I believe this is the answer you are looking for I may be incorrect.

Answer:

South Africa uses1;3%of the world's total energy vise per year.

I can help with 2:

The consequences of not investing in renewable resources depends more on where the funds are actually going: Nuclear energy is a safe and reliable alternative, however, if the funds are directed to fossil fuel energy for instance, the economic results can be negative.

Let me know if have any other questions.

Answer:

The Soviet Union did not intentionally allow rebellions in the Eastern Bloc nations in the 1980s. The rebellions that occurred in countries such as Poland, Hungary, East Germany, Czechoslovakia, and Romania were the result of various factors, including economic stagnation, political oppression, and social unrest.

Explanation: During the 1980s, the Soviet Union was undergoing significant changes under the leadership of Mikhail Gorbachev. Gorbachev implemented policies of perestroika (restructuring) and glasnost (openness) to modernize the Soviet economy and political system. These policies aimed to reduce the bureaucratic inefficiencies and corruption that had characterized the Soviet system, and to allow greater freedom of expression and political participation for Soviet citizens.

However, the implementation of these policies had unintended consequences in the Eastern Bloc countries. As the Soviet Union relaxed its grip on these countries, it created a power vacuum that allowed for greater dissent and opposition movements to emerge. This was particularly evident in Poland, where the Solidarity movement gained momentum and eventually led to democratic reforms.

In some cases, the Soviet Union attempted to intervene and suppress the rebellions, such as in East Germany in 1989. However, by this time, the momentum for change was already too great, and the Soviet Union was unable to maintain control over its satellite states in Eastern Europe.

In summary, the rebellions in the Eastern Bloc countries in the 1980s were not intentionally allowed by the Soviet Union, but rather were the unintended consequences of its own policies of reform and modernization.

The following answers are Ships have to pay taxes  in order to pass the Panama Canal.

A tax is a compulsory commercial enterprise charge or some other type of levy inflicted on a taxpayer (an individual or legal entity) by a polity organization in order to fund government spending and various public expenditures (regional, local, or national) Taxes consist of direct or indirect taxes and may be paid off in money or as its labor knowledge.

Ships have to pay taxes  in order to pass the Panama Canal.

The Panama Canal has three Pedro Miguel that lift or lower ships to

different water levels

Before the Panama Canal was built, ships had to sail

around Cape Horn. to deliver their goods

Therefore, The following answers are Ships have to pay taxes  in order to pass the Panama Canal.

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Ships have to pay taxes  in order to pass the Panama Canal.

The Panama Canal has three Pedro Miguel that lift or lower ships to

different water levels

Before the Panama Canal was built, ships had to sail

around Cape Horn. to deliver their goods

Continental crust is more buoyant than oceanic crust due to its greater thickness and lower density, allowing it to float higher on the denser oceanic crust.

Continental crust is very buoyant compared to oceanic crust because continental crust is thicker and less dense. Continental crust is composed mainly of granitic rocks, which are lighter and less dense than the basaltic rocks that make up oceanic crust.

The continental crust also contains a variety of lighter minerals, such as quartz and feldspar, which further contribute to its lower density. This lower density allows the continental crust to "float" higher on the denser, more mafic oceanic crust, creating landmasses and forming continents. The buoyancy of the continental crust plays a significant role in shaping the Earth's surface and influencing the distribution of land and oceans.

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Answer:

capitalist

Explanation:

The statement concerning the stability of the nucleus is true or false;

In biology, the nucleus is a specialized structure that is found in most cells (with the exception of bacteria and blue-green algae) and is separated from the rest of the cell by the nuclear membrane, a double layer. This membrane appears to be continuous with the cell's endoplasmic reticulum, a membrane network, and it has pores that probably allow large molecules to enter. The activities of the cell, such as growth and metabolism, are controlled and regulated by the nucleus, which also transports the genes, which are structures that carry genetic information. The nucleus frequently contains small bodies known as nucleoli. The nucleoplasm is the gel-like matrix in which the nuclear components are suspended.

The primary function of the cell's nucleus is as the information center because it houses an organism's genetic code, which determines the amino acid sequence of proteins necessary for day-to-day function. The information in DNA is copied into a variety of messenger ribonucleic acid (mRNA) molecules, each of which encodes information for a single protein (sometimes multiple proteins, as in bacteria).

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Complete question:

Determine whether each statement concerning the stability of the nucleus is true or false.

The atom is 10,000 times larger than the nucleus.

When an atom loses a proton, it is no longer the same element.

When an atom loses an electron, it is still the same element.

Isotopes have the same number of neutrons, but different numbers of protons.

Ions have unequal numbers of protons and electrons.

When an atom loses a neutron, it is still the same element.

Answer:

Explanation:

Answer:

Examples of human geography from the United States or Canada

1. the presence of the largest and oldest megalopolises on the globe (Boswash, Great Lakes Megalopolis, Californian Megalopolis).

2. the largest urban agglomerations: New York City and Los Angeles.

3. the most populated regions in the United States (Atlantic coast: 4000 inhabitants/km²)

4. the population is a mixture of races and peoples, unique civilizations on the globe.

Due to its extreme coolness and distance from the center compared to earlier stages of star evolution, the surface will appear red. The red giant has a relatively large surface area, which makes it incredibly bright despite its cooler surface temperature.

A star that is nearing death is a red giant. It slowly grew to be many times larger than it was initially. A star may remain on the red giant stage for up to a billion years.

The star will then gradually shrink and cool to become a white dwarf, which is an ultra-dense, Earth-sized star corpse that emits only a small portion of its original energy. After many billions of years, these stars will eventually turn completely cold and stop emitting any energy.

They'll pass away as a so-called "black dwarf," a tiny, scorched-out cinder that is essentially invisible.

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