The major cause of global warming is sun flare pollution

biological magnification

mono-culture farming

burning fossil fuels

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Answer:

Burning fossil fuels

Explanation:

Greenhouse gases are the main human causes of global warming. They basically act like a warm blanket around the earth and trap heat. Causing the earth to get warmer and temperatures to rise.

The two main greenhouse gases we add to the air are methane and carbon dioxide.

The main source of carbon dioxide is the burning of coal, oil, gas and petrol (fossil fuels) in power stations.

We produce far more carbon dioxide than any other greenhouse gas. And its production has been on the rise since the industrial revolution.

So the burning of fossil fuels resulting in carbon dioxide is the main cause of global warming.

The largest human influence has been the emission of greenhouse gases, with over 90% of the impact from carbon dioxide and methane. Fossil fuel burning is the principal source of these gases, with agricultural emissions and deforestation also playing significant roles.