Which statement best describes the purpose of Earth's spheres?

They work together as open systems to cycle matter through ecosystems.
They work independently as closed systems to cycle matter through ecosystems.
They work together as open systems to move matter to living and nonliving parts of Earth.
They work independently as closed systems to move nutrients to living and nonliving parts of Earth.

Respuesta :

Answer:

and they work together to drive the processes of the planet.

Explanation:

Earth has four 'spheres,' called the geosphere, hydrosphere, biosphere and atmosphere. These spheres each have unique properties and features, but they are not isolated on Earth, and they work together to drive the processes of the planet.

They work together as open systems to cycle matter through ecosystems. This statement best describes the purpose of Earth's spheres.

What are earths spheres?

  • Lithosphere encompasses the entire solid land of the planet's crust, as well as the semi-solid land beneath it and even the molten core.

  • Hydrosphere is made up of all of the planet's water, which comes in solid, liquid, and gaseous forms.
  • Water comes down to the Earth's surface as precipitation from the atmosphere, rivers and streams along the surface, and groundwater beneath the surface.
  • The majority of the world's freshwater, on the other hand, is frozen.

   

  • Biosphere is made up of all the living things on the earth.
  • This sphere contains all of the Earth's bacteria, plants, and animals. Living beings establish ecological communities in the biosphere based on their physical surroundings.
  • Biomes are the names given to these types of communities.
  • Deserts, grasslands, and tropical rainforests are just a few of the biomes found inside the biosphere.

  • Atmosphere is made up of all of the air in the Earth's system.
  • The biosphere's organisms are shielded from the sun's UV radiation by the upper atmosphere.
  • It absorbs and emits heat as well. Weather occurs in this sphere as well.

These spheres interact via affecting one another, as well as through biogeochemical cycles and other natural phenomena that each of these spheres influences and causes.

learn more about Earth's spheres here:

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