Question

How are unde water plant s useful​

Answer 1

Answer:

Underwater plants provide oxygen, food, and shelter. The health of submerged aquatic vegetation is an important environmental indicator of overall ocean and estuary health. ... Seagrasses also stabilize sediments, generate organic material needed by small invertebrates, and add oxygen to the surrounding water.

Answer 2

Answer:

under water plants release O2 inside the water and dissolves it in the water...which makes the water oxygenated....

hence, they are very useful for us..and nature..

Explanation:

hope it will help you...