First slide

Green House Effect and Global Warming

Question

Scientists warn that increase in concentration of carbon dioxide is alarming as it contributes to

Easy

A

photochemical smog
B

global warming
C

ozone depletion
D

acid rains

Solution

Increase in the level of greenhouse gases (like carbon dioxide) has led to considerable heating of Earth leading to global warming. During the past century, the temperature of Earth has increased by $0 . 6^{o} C$ most of it during the last three decades. Scientists believe that this rise in temperature is leading to deleterious changes in the environment and resulting in odd climatic changes (e.g. El Nino effect) , thus leading to increased melting of polar ice caps as well as of other places like the Himalayan snow caps.

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