Question

what is global warming?how is it caused and what are the effects of global warming?​

Answer 1

Answer:

Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere. ... Already, global warming is having a measurable effect on the planet.

Explanation:

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Answer 2

Answer:

global warming is the gradual heating of the Earths surface due to human activities

Explanation:

1. this is caused by deforestation where too many trees are cut down
2. then it can also be caused by air pollution where the poisonous gases destroy the ozone layer hence global warming

effects

• it leads to desertification
• it leads to destruction of the ozone layer