Earth's surface temperature has increase mainly because of

زمین کی سطح کے درجہ حرارت میں اضافہ کس کی وجہ سے ہے۔

Higher level of CO2 concentration

Radio Activity

Growth in forest

None of these

The warming of the Earth is largely the result of emissions of carbon dioxide (CO2) and other greenhouse gases from human activities.

These activities include burning fossil fuels, such as coal and oil.

Changes in land use, such as agriculture and deforestation.