Answer:
Earth is a dynamic planet; the continents, atmosphere, oceans, ice, and life ever-changing, ever interacting in myriad ways. These complex and interconnected processes comprise the Earth system, which forms the basis of the scientific research and space observation that we refer to as Earth system science.
Explanation:
They have Flagella for movement.
They mostly lives in water.
They have eukaryotic cells
I think its either B or D im not really sure..
1- the correct answer is D
2- the correct answer is C
