What do pollutant gases cause?
Heavy rain
No rain
Mild rain
Acid rain
Global warming is caused by:
Increase in the level of CO2 in air.
Decrease in H2O.
Increase is both CO2 and H2O.
Increase in CO2
The scientist who studies about environment:
Environmentalist
Ecology
Ecologist
Surroundings
Layer of the Earth where life is possible.
Biosphere
Mesosphere
Lithosphere
Aesthonosphere
What do living and non-living things make up?
Society
Country
World
Environment
What is deforestation?
Destruction of forests.
Hunting animals for clothing.
Killing of infants.
Killing of insects.
Why do people cut down forest?
Do make space for cities and farms.
For hunting.
For development process.
Both a and c
What is WWF?
World Wildlife Foundation
World Wildlife Fund
World Welfare Foundation.
World wealth Fund
What are the effects of pollution?
A number of disease
Disease free nature
Happy society
All of these
Where is wind energy is generated?
Solar panel
Dams
Wind mills
Bio-waste