First slide

Green House Effect and Global Warming

Question

Today the concentration of green house gases is very high because of
a. use of refrigerator
b. increased combustion of oils and coal
c. deforestation

Easy

A

a and b
B

b and c
C

a and c
D

a, b and c

Solution

Today the concentration of green - houses gases is very high because of use of refrigerator, increased combustion of oils and coal and deforestation.

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