throughout human evolution, was haivng only one single hominin species alive, as is the case today, the norm of the exception
Answers
Throughout human evolution, having only one single hominin species alive, as is the case today, was the exception rather than the norm.
In the past, multiple hominin species coexisted simultaneously. The reason for the current situation of having only one hominin species (Homo sapiens) is primarily due to various factors like migration, competition for resources, and interbreeding.
As hominins evolved and adapted to their environments, some species went extinct while others continued to evolve. This process occurred over millions of years, during which multiple hominin species existed together.
For example, Homo sapiens coexisted with Neanderthals and Denisovans in the same geographical areas for a time.
As Homo sapiens migrated to new areas, they outcompeted other hominin species for resources and sometimes interbred with them, leading to their extinction. Eventually, Homo sapiens became the sole surviving hominin species on Earth.
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Related Questions
. Which of the following views of weather is an example of systems thinking?
Weather consists of several components that each contribute to the overall system.
O Weather is a system that determines whether an area will rain or stay dry.
O Weather is a system that can contribute to the overall climate of an area.
O weather has the overall purpose of distributing heat throughout the Earth.
Answers
Answer:
Weather consists of several components that each contribute to the overall system.
Explanation:
Systems thinking examines the function of all the parts of a system and understands how they contribute to the whole. Thinking of the individual components, and what they do for the system, rather than just the overall function of the system, is systems thinking.
Plus just took test and got it right
An example of systems thinking on weather is the view that weather consists of several components that each contribute to the overall system.
What is a systems thinking?This kind of thinking does examines the function of all the parts of a system and understands how they contribute to the whole.
It involves thinking of the individual components and what they do rather than just the overall function of the system.
Therefore, the Option A is correct.
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Os deslocamentos populacionais apresentam uma série de causas. Cite dois motivos que contribuem pra que o individuo migre de uma região para outra:
Answers
Answer:
Busca de melhores padrões de vida e fuga da violencia são dois motivos que contribuem para que um individuo migre de uma região para a outra.
Explanation:
Olá. Antes de explicar a sua pergunta, eu preciso te dizer que esse não é o site brasileiro e sim o site estadunidense. Isso significa que você só pode postar perguntas em português no campo "world Languagens", caso contrario a sua pergunta poderá ser excluída. Então, da próxima vez, por favor, utilize o campo apropriado.
As pessoas migramd e uma região para outra por diversos motivos. entretanto, o principal motivo é a procura pór melhor qualidade de vida, através da busca por emprego. Muitas regiões possuem uma taxa de desemprego muito alta, enquanto outras apresenta uma taxa de desemprego menor. Isso faz com que muitas pessoas que não encontram emprego nas suas regiões se mudem para outras regiões onde a empregabilidade é um fator acessivel.
A fuga de regiões com alto nível de violencia também é uma causa de migração. As pessoas acabam se mudando para áreas mais tranquilas e melhor policiadas, onde elas poderão ter uma segurança maior.
Sahara
Nile River
Serengeti
Grasslands
Rainforest
Tropic of Cancer
Rainfall
Answers
Answer:
i don't understand your question whay you want?
The chief political and economic architect of the 1917 Russian Revolution that created the Soviet Union was:
a) Solzhenitsyn
b) Lenin
c) Gorbachev
d) Marx
e) Stalin
Answers
The chief political and economic architect of the 1917 Russian Revolution that created the Soviet Union was b) Lenin.
Vladimir Lenin played a pivotal role in leading the Bolshevik Party and orchestrating the October Revolution in 1917. He was a prominent Marxist revolutionary and a key figure in the establishment of the Soviet Union.
Lenin's leadership and ideological contributions were instrumental in shaping the course of the Russian Revolution and the subsequent formation of the Soviet state. He advocated for the overthrow of the provisional government, promoted the idea of a socialist revolution, and championed the establishment of a communist society.
While other individuals mentioned in the options played significant roles in Russian history, they were not the primary architects of the 1917 Russian Revolution. Solzhenitsyn was a notable writer and critic of the Soviet regime, Gorbachev was a later Soviet leader known for his reformist policies, Marx was a German philosopher and the originator of Marxist ideology, and Stalin emerged as a key figure in the Soviet Union following Lenin's death.
The chief political and economic architect of the 1917 Russian Revolution and the formation of the Soviet Union was Lenin.
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ASAP PLEASE
What is one negative effect of landfills?
A
Global warming
B.
Water pollution
С
Air pollution
D
Deforestation
Answers
Answer:
B
Explanation:
the landfill`s toxic liquids and other decomposing trash and objects will render the soil there unsuitable!
Where is Bhutan?
For the foreigners.
Answers
Bhutan is a name of country which is located in the Eastern Himalayas.
The capital of Bhutan is thimpu.
Hope it helps...
Answer:
Bhutan lies between China and India, and borders Tibet in the North. The Tibet border runs across the Himalayas.
Explanation:
What process(es) create a canyon? O The same that create a valley O The same that create a mountain The same that create river delta The same that create a building
Answers
Answer:
erosion and water
Explanation:
What is the main incentive for using a command economy?
Answers
Answer:
Economic equality
Explanation:
A body of rock or sediment that stores groundwater and allows the flow of groundwater called _____
a. Porosity
b. Aquifer
c. Sorting
d. Gradient
Answers
Option B, An aquifer is a mass of rock or sediment that has the capacity to store and transfer enough groundwater to serve as a supply of water for springs and wells.
Sandstone or gravel are common components of aquifers because they are porous and permeable, allowing water to pass through. The quantity of water that an aquifer can store and transport relies on its permeability and porosity.
The sustainability and quality of aquifers, which provide freshwater for drinking, agriculture, and industry, may be threatened by overuse and pollution.
The long-term availability and purity of groundwater resources depend on the management and protection of aquifers.
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10) Select the statement that is an example of congruent angles based on 10 points
the symbols marked in the diagram.
P.
А,
B
E
D
F
A. LAZC
B. ZG ZD
C. ZCEF LCDE
D. ZBAC ZECD
E. LAC LCD
А
8
Answers
Answer:
A
Explanation:
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Answers
List AND explain TWO ways that might you change how you are a consumer of the modern world.
Answers
Answer:
One way that I would change how i am a consumer is to use less fossil fuels. people are consuming so much fossil fuels that it is causing global warming. I would also recycle more because the more trash people throw away, the more pollution happens
Explanation:
Crete is a large island in the Mediterranean Sea.
O True
O False
Answers
Answer:
True
Explanation:
5th largest island in Greece
Answer:
It is false because the Mediterranean Sea is pretty big.
How did the Roman conquest affect the Jews?
Answers
describe the characteristic features of hot weather season
Answers
Answer:
Strong Gusty Hot and Dry winds
Explanation:
This is so simple pay attention in school
Can Someone please help, the picture is below
Answers
Answer:
The last one
Explanation:
An absolute location is an exact place on Earth, often given in terms of latitude and longitude.
which of these are not a rock type igneous, sedimentary, metamorphic,sediments
Answers
Answer:
Sediments...
Explanation:
Sedimentary is the right spelling of it.
Answer:
Sedimentary
Explanation:
Fossils are relatively rare. Why don't
we find more?
Answers
Answer:
Because there Buried under hundreds of years of dirt and rock
Explanation:
How many contour lines would you
need to show a change in elevation of
2,000 feet on a map with a contour
interval of 400 feet?
Answers
You would need 5 contour lines to show change in the elevation of 2,000 feet on map with contour interval of 400 feet.
What is a contour line?A contour line of a two-variable function is a curve where the function has a constant value, joining points of equal value. A contour line, used in cartography, connects points that are similar in elevation (height) above a specified level, like mean sea level. A contour map is a map that has contour lines drawn on it, such as a topographic map that displays valleys, hills, and the steepness or leniency of slopes. The elevation difference between a contour map's subsequent contour lines is known as the contour interval. Every time, the function's gradient is parallel to the contour lines. The gradient has a significant amplitude and a steep variation when the lines are near together.
No. of contour lines= 2000/400=5
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Name 2 oceans where the upwelling takes place with the thermohaline circulation?
Answers
Answer:
The thermohaline circulation is mainly driven by the formation of deep water masses in the North Atlantic and the Southern Ocean caused by differences in temperature and salinity of the water.
Explanation:
what part of earth receives the most solar radiation in a year? why?
Answers
The equatorial regions receive the most solar radiation in a year. This is primarily due to two factors: the angle at which the sunlight hits the earth's surface and the length of daylight hours.
At the equator, the sun is almost directly overhead throughout the year, meaning the rays of the sun hit the earth's surface at a near perpendicular angle. As a result, the intensity of sunlight is at its highest and this causes the equatorial regions to experience the highest temperatures on earth.
In addition to this, the equator also experiences longer daylight hours with the sun being above the horizon for almost 12 hours a day throughout the year, which means more incoming solar energy.
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Which of the following processes DOES NOT explain what causes volcanic eruptions to occur at different locations on Earth?
A. two oceanic plates move apart
B. magma rises to Earth's surface
C. two continental plates collide
D. an oceanic plate moves beneath a continental plate
Answers
In the above case: magma rises to the Earth's surface is not the correct explanation to the volcanic eruptions.
Hence, Option B is correct.
What do you mean by Volcanic Eruptions?
A volcanic eruption is an explosive release of lava and gas from a volcano. The most dangerous type of eruption is known as a 'glowing avalanche', which is when hot magma rapidly flows down the sides of the volcano. These avalanches can travel quickly and reach temperatures of up to 1,200 degrees Fahrenheit, making them incredibly dangerous.The three major types of volcanoes areCinder Cone Volcanoes.Composite Volcanoes (Stratovolcanoes)Shield Volcanoes.To know more about Volcanoes from the given link
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The Qing and xia were two ancient _______ dynasties
Answers
Hope this helps uwu <3
UWU
UWU
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The East African States and Trade map is what type of map?
a
choropleth
b
physical
c
political
d
special purpose
Answers
Answer:
c
Explanation:
how many countries have coastlines on both the atlantic and pacific oceans
Answers
Several countries have coastlines on both the Atlantic and Pacific Oceans. Here are some examples:
1. United States: The United States has coastlines on both the Atlantic Ocean (East Coast) and the Pacific Ocean (West Coast). The East Coast stretches from Maine to Florida, while the West Coast extends along the states of California, Oregon, and Washington.
2. Canada: Canada is another country that has coastlines on both the Atlantic and Pacific Oceans. The Atlantic Coast includes provinces such as Newfoundland and Labrador, Nova Scotia, New Brunswick, and Prince Edward Island. On the Pacific Coast, British Columbia is the province that borders the ocean.
3. Mexico: Mexico is situated between the Atlantic and Pacific Oceans, providing it with coastlines on both sides. The Gulf of Mexico lies along Mexico's eastern coast, while the Pacific Ocean borders its western coast.
4. Colombia: Colombia is located in South America and has coastlines on both the Atlantic and Pacific Oceans. The Caribbean Sea, part of the Atlantic Ocean, borders Colombia to the north, while the Pacific Ocean lies to its west.
5. Panama: Panama is a narrow country that forms a land bridge connecting North and South America. It has coastlines on both the Atlantic and Pacific Oceans. The Atlantic side is bordered by the Caribbean Sea, while the Pacific side faces the Pacific Ocean.
These are just a few examples of countries that have coastlines on both the Atlantic and Pacific Oceans. The exact number of countries may vary depending on how the coastlines are defined and whether small territories or island nations are included.
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why would a decrease in the density of the ozone layer create a public health concern?
Answers
A decrease in the density of the ozone layer can create a public health concern because the ozone layer acts as a shield that protects the earth from harmful ultraviolet radiation.
If the ozone layer is depleted, it would allow more ultraviolet radiation to reach the earth's surface, increasing the risk of skin cancer, cataracts, and weakened immune systems. Moreover, higher levels of ultraviolet radiation can harm crops and other plant life, which can have a cascading effect on the food chain. Hence, a decrease in the density of the ozone layer can have a significant impact on human health, agriculture, and the environment.
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What are the different types of clouds
Answers
Explanation:
cirrocumulus
Altostratus
stratus
cirrocumulus
stratocumulus
cumulus
4. Which two hazards are usually located along plate boundaries?
A)Hurricanes and earthquakes
B)Tsunamis and Monsoons
c)Volcanos and earthquakes
D)Earthquakes and Monsoons
Answers
Answer:
c)Volcanos and earthquakes
Explanation:
Many of the tectonic plates usually rub against each other which causes friction. Due to the motion of friction, the earth's crust tend to form earthquakes and volcanic eruptions.
which layer is the primary barrier against environmental hazards?
Answers
The Epidermis layer is the primary barrier against environmental hazards.
The epidermis is the most superficial layer of the skin and provides the first barrier of protection from the invasion of substances into the body.
The epidermis is subdivided into five layers or strata:
stratum basalestratum spinosumstratum granulosumstratum lucidumThe principal cells of the epidermis are keratinocytes. The basal cells or "stem cells" of the epidermis are undifferentiated, proliferating cells that migrate upwards through all the five layers in a process known as keratinization.
Therefore, The Epidermis layer is the primary barrier against environmental hazards.
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adding water, a so-called volatile, to a rock tends to lower the melting temperature of its minerals, and thus may allow it to melt if it is sufficiently warm. group of answer choices true false
Answers
Adding water to a rock, which is a volatile substance, can lower the melting temperature of its minerals. This is because water molecules can break the bonds between the mineral grains and thus make it easier for them to slide past each other. This, in turn, reduces the amount of heat required to melt the rock.
The amount of water required to lower the melting temperature of a rock depends on various factors such as the composition of the rock, the pressure and temperature conditions, and the amount of water available. However, in general, the presence of water can significantly affect the melting behavior of rocks and minerals.
True. Adding water, a volatile, to a rock lowers the melting temperature of its minerals by providing pathways of heat transfer, making it easier for the minerals to melt if the temperature is high enough.
This process is known as hydrothermal alteration, and it is often seen in areas with volcanic activity. This is because the water vapor released during volcanic activity can cause minerals to melt, leading to the formation of magma.
Adding water, or other volatile compounds, to a rock can lower the melting temperature of its minerals, and thus can allow the rock to melt if the temperature is high enough. This is a common process in the Earth's mantle where water is brought down into the mantle via subduction zones and can lower the melting temperature of the mantle rocks, leading to the formation of magma that eventually rises to the surface to form volcanic eruptions.
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