(a) What are forms of oxygen found in the atmosphere?
(b) "Forests influence the quality of our air, soil and water resources." Justify the statement.
(a) There are two forms of oxygen found in the atmosphere -
Elemental oxygen - It is usually found in diatomic state i.e. O2
in the lower part of atmosphere.
Ozone - Another form of oxygen is ozone, which exists in triatomic state i.e. O3
and is found in the stratosphere layer of atmosphere.
(b) Forests play an important role in various ways -
- They maintain the carbon dioxide and oxygen balance. They use carbon dioxide and release oxygen into the atmosphere.
- They play an important role in replenishing the water resources by maintaining the water cycle.
- They prevent soil erosion by strongly holding onto the soil through their roots and preventing it from eroding.
- They also check the speed of winds and running water.
Lakhmir Physics (2020, 2021)