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Read the paragraph, and then answer the question.

Coal is a black, hard substance formed from the remains of living things that existed a long time ago. The remains were buried and exposed to pressure and temperature underneath Earth’s surface. Over time, these remains solidified.

Which of the spheres interact in the formation of coal? Check all that apply.

atmosphere
biosphere
cryosphere
geosphere
hydrosphere


Sagot :

Answer:

it is b and d

Explanation: