Climate change on the Earth is mostly caused by-

the burning of fossil fuels

solar input

congressional debate

hydroelectric power

Option A

Burning of fossil fuels

Explanation:

The burning of fossil fuels such as coal, oil and gas releases greenhouse gases which when they accumulate in the atmosphere forms a thick layer which consequently interferes with the normal weather pattern. This is commonly known as climate change. Climate change leads to global warming whose effects include rise in the sea levels, flooding and other extreme phenomena. Therefore, the main cause of climate change on earth is the burning of fossil fuels