The main cause of global climate change is _________.

increase in the content of carbon dioxide in the atmosphere

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emission of industrial gases

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dust

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changes in plant cover

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Solution

The correct option is A increase in the content of carbon dioxide in the atmosphere
The main cause of global climate change is Increase in the content of carbon dioxide in the atmosphere. The global annual mean concentration of carbon dioxidein the atmosphere has increased by more than 40% since 18th century.

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Similar questions

Question 23
An increase in carbon dioxide content in the atmosphere would not cause

(a) more heat to be retained by the environment
(b) increase in photosynthesis in plants
(c) global warming
(d) abundance of desert plants

Q. Carbon dioxide is one of the greenhouse gases and an increase in the carbon dioxide content in the atmosphere would cause more heat to be retained by the atmosphere and lead to global warming.

Q. State true or false.
Carbon dioxide is one of the greenhouse gases and an increase in the carbon dioxide content in the atmosphere would cause more heat to be retained by the atmosphere and lead to global warming.

Which of the following is the main cause of global warming ?

(a) nitrogen dioxide

(b) sulphur dioxide

(d) ozone

The increase of carbon dioxide gas in atmosphere will cause:

(a) decrease in temperature

(b) increase in temperature

(d) increase in humidity.

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