Which reservoir holds most of the earth's water? the atmosphere

the ocean

groundwater

glaciers and ice caps

The ocean

The ocean holds about 97 percent of the Earth's water; the remaining three percent is found in glaciers and ice, below the ground, in rivers and lakes.

Explanation:

Hope it helps

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

ask an adult bc this is too hardcore