Medical Quiz

Topics: Nutrient Cycling Quiz

What is the atmosphere?

A. all the air and gases on the planet

B. made up of living things

C. the non-living soil, rocks, and minerals of the Earth

D. the rivers, lakes, and oceans of the Earth

Select your answer:
     


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What is the biosphere?

A. all the air and gases on the planet

B. made up of living things

C. the non-living soil, rocks, and minerals of the Earth

D. the rivers, lakes, and oceans of the Earth