Question

what do you mean by global warming and what are its effect (explain)



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Answer 1

global warming is a condition of the earth during which the temperature of the earth increases enormously to high extent and it is caused by the poisonous gases in the atmosphere

Answer 2

Global warming, also referred to as climate change, is the observed century-scale rise in the average temperature of the Earth's climate system, and its related effects.[1][2] Multiple lines of scientific evidence show that the climate system is warming.[3][4][5] Many of the observed changes since the 1950s are unprecedented in the instrumental temperature record, which extends back to the mid-19th century, and in paleoclimateproxy records covering thousands of years.[6]
now their effects
For example, sustained global warming of more than 2 °C (relative to pre-industrial levels) could lead to eventual sea level rise of around 1 to 4 m due to thermal expansion of sea water and the melting of glaciers and small ice caps.

In terrestrial ecosystems, the earlier timing of spring events, as well as poleward and upward shifts in plant and animal ranges, have been linked with high confidence to recent warming.[161] Future climate change is expected to affect particular ecosystems, including tundra, mangroves, coral reefs, [162]and caves.[163] It is expected that most ecosystems will be affected by higher atmospheric CO2 levels, combined with higher global temperatures. hope it helps and please matk as brainliest answer so that i can reach the next rank