Y7 Chem 6_7 BT Atmosphere and Greenhouse effect

State the causes of man-made greenhouse effect:

• nitrous oxide as a fertiliser

  Burning of fossil fuels

  Deforestation ( cutting down and burning of trees )

  Industrial wastes and landfills

Answer explanation

• nitrous oxide as a fertiliser

  Burning of fossil fuels

  Deforestation ( cutting down and burning of trees )

  Industrial wastes and landfills

State the causes of man-made greenhouse effect:

• nitrous oxide as a fertiliser

• Burning of fossil fuels

• Deforestation ( cutting down and burning of trees)

• Industrial wastes and landfills

State the causes of man-made greenhouse effect:

the use of n......... o.......... as a f..............

State the causes of man-made greenhouse effect:

B................ of f.................. f...................

State the causes of man-made greenhouse effect:

D........................... or the c.................. d................ and b................ of t................

State the causes of man-made greenhouse effect:

I................ w................ and l...............

What happen to Earth if no atmosphere at all?

Day and ​ (a)   have ​ (b)   ​ (c)  

• night
• extreme
• temperature

What happen to Earth if no atmosphere at all?

D....... and n............. have e........ t...............

define global warming:

Global warming is a ​ (a)   in the ​ (b)   of the earth’s ​ (c)   .

• gradual increase
• average temperature
• atmosphere

define global warming:

Global warming is a .....................​ in the .........................​ of the earth’s atmosphere .