Question

The amount of oxygen in the air remains the same, because the earth gives out oxygen.

• A. True
• B. False

Answer 1

The correct option is B False

Air:

• Air is a mixture of gases and its constituents retain their properties.
• The percentage of nitrogen is 78%, Oxygen 21%, and other various gases only 1 %.

Oxygen:

• The amount of oxygen in the atmosphere is 21%, the main producers of oxygen are plants as they release a large amount of oxygen during the process of photosynthesis.
• The nongreen plants and other organisms that live on earth need oxygen which is provided by green plants and the maximum amount of oxygen(70%) comes from oceans.

Thus, the given statement is false.