Question

what is a climate change​

Answer 1

Answer:

Climate change describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time. NASA scientists have observed Earth's surface is warming, and many of the warmest years on record have happened in the past 20 years.

Explanation:

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Answer 2

Answer:

In short climate change is the instant and gradual switching of temperature also can say seasonal change causes climatic change

*Climate means the overall average temperature taken/counted out after a long period of time.

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