Question

All aquatic environments form ______ part of earth

Answer 1

Explanation:

About 72% of the land on the Earth is a part of the oceans. This water of the oceans, rivers, lakes and ponds contribute to the aquatic ecosystem. So, about 72% of the Earth's surface is covered under the aquatic form of ecosystems. There are two types of aquatic ecosystem, freshwater and marine ecosystem.

Thus, the correct answer is option C.

Answer 2

All aquatic environments form ______ part of earth

Answer : 72%