Page 184 - Arrow Publications Pvt. Ltd.
P. 184
like plants have been producing oxygen from
Nitrogen
carbon dioxide for over two billion years, the air
contains so much oxygen.
Air also controls the temperature of the earth and
causes different weather conditions. The earth would
be very hot during the day and freezing at night Carbon dioxide, Oxygen
without the atmosphere’s moderating effect. We get Argon, Water vapor
and other gases
rain in monsoon because of the movements of the wind in air.
Forests
Forests are one of the most important renewable
1
natural resources of the earth. More than rd of the
3
earth’s total area is covered by forests. We get many
different products and services from forests. We also
use many forest products in our daily lives. Forests
protect us from floods, drought and soil erosion.
There is an abundance of renewable resources found
in forests. They provide various products like gum,
resins, medicines, honey, pulp, bamboo, timber, firewood and raw materials
for wood-based industries. Producing and utilizing these materials reduces
energy consumption gas emissions, the disposal of hazardous waste, and even
the creation of new jobs.
Herbal medicines
Honey Glue
Fruits Wood
Besides these, forests maintain the ecological balance and support the
economy.
183
Arrow - EVS Plus - 4 | 183