Question

Q.13) An increase in the amount
of carbon dioxide in air has led
to................. *
O Green house effect
O Global warming
O Deforestation
O Aforestation​

Answer 1

Answer:

The global average atmospheric carbon dioxide in 2019 was 409.8 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. Carbon dioxide levels today are higher than at any point in at least the past 800,000 years.

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Answer 2

global warming

carbon dioxide is also a greenhouse gas, and the greenhouse effect leads to global warming of the earth