Answer:
Rotation of Earth while orbiting the sun.
An example i can think of is...
the amount of salt present in human cells cytoplasm suggests we evolved from species in the sea
Answer:
is is A i might be wring tho im not the best :/
The chemical food source for the soybean plants is A (Sunlight) because once the leaves emerge, it relies on sunlight to photothynsesize to get energy.