Question

define hydrosphere
define nitrogen​

Answer 1

Answer:

Hydrosphere

All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.

Nitrogen

A gas that has no colour, taste or smell. Nitrogen forms about 80% of the air around the earth

Explanation:

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Answer 2

Hydrosphere

A Hydrosphere is the total amount of water on a planet. The Hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet's Hydrosphere can be liquid, vapore, or ice.

Nitrogen

It is colourless, odourless, and tasteless gas. Nitrogen forms about 80% of the air around the earth.