Question

1) What is oxygen cycle ?
2) What is Humidity ? ​

Answer 1

1) The consumption and release of oxygen through respiration and photosynthesis is called oxygen cycle.

2) The amount of water vapour in the air is called Humidity.

Answer 2

Answer:

1. Oxygen cycle refers to the movement of oxygen through the atmosphere (air), Biosphere (plants and animals) and the Lithosphere (the earth's crust).

2.Humidity is the concentration of water vapour present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be present.

Explanation:

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