Question

20 multiple choice 2 points the thin layer of life that exists on earth, including plants, animals, and humans, is called the: biosphere hydrosphere atmosphere geosphere

Explanation:

The biosphere is the global sum of all ecosystems, encompassing all living organisms on Earth. The hydrosphere is all the water on Earth's surface. The atmosphere is the layer of gases surrounding the planet. The geosphere includes the solid parts of the Earth. Since the question refers to the layer of life, the answer is biosphere.

Answer:

A. Biosphere