Q7 of 9 Page 56

How is climate change causing global warming? Suggest measures to minimize the influence of global warming.

Due to the increase in industrialization the warming and cooling of the atmosphere have been very frequent and has affected the climate adversely. This warming has increased the level of water, and the glaciers at the poles are also melting.

Measures:


1. Finding alternative ways of generating energy that does not release harmful greenhouse gases.


2. Not burning fossil fuels.


3. Afforestation: planting of trees and increasing the green spaces.


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5

How are human activities contributing to global warming?

 6

What are the disagreements between ‘developed’ and ‘developing’ countries about AGW?

 8

On an outline map of India, show the following:

(i) Areas recorded with more than 400C annual mean temperature


(ii) Areas recorded with an annual mean temperature less than 100C


(iii) The direction of the south-west monsoon over India.

9

Observe the following climatograph and answer the following questions.


A. Which month received the highest rainfall?


B. Which months experience the highest and the lowest temperature?


C. Why does the maximum amount of rainfall happen between June and October?


D. Why is the temperature high between March and May?


E. Identify relief conditions causing variation in temperature and rainfall.