what is global warming? how is it caused and what are the effects of global warming.
Answers
Explanation:
Global warming is an aspect of climate change, referring to the long-term rise of the planet's temperatures. Global warming, the phenomenon of increasing average air temperatures near Earth's surface over the past one to two centuries, happens mostly in the troposphere, the lowest level of the atmosphere, which extends from Earth's surface up to a height of 6–11 miles. This layer contains most of Earth's clouds and is where living things and their habitats and weather primarily occur.
Explanation:
global warming long term heating of earth climate system observed since the pre-industrial period (between 1850 and 1900 ) due to human activities primarily fossil fuel burning , which increase heat-trapping green house gas level's earth's atmosphere .