Question

What is global warming? write their reasons​

Answer 1

Answer:

.

Explanation:

Global warming is caused by human activities such as burning fossil fuels, deforestation and farming. ... When we burn fossil fuels like coal, oil and gas to create electricity or power our cars, we release CO2 pollution into the atmosphere.

Answer 2

global warming is the long term rise in the average temperature of the Earth's climate system an aspect of climate change by temperature measurement and by multiple effect of the warming.Global warming projected to have a number of effects on oceans like rising sea level due to thermal expansion and melting of glaciers and ice sheets and warming of oceans surface leading to increased temperature