Question

how will increase in CO2 concentration affect the global temperature

Answer 1

Because co2 traps heat in earth's atmosphere the more co2 , the more temperature

Answer 2

CO2 is a greenhouse gas which easily absorbs the sun's radiation and traps it inside the atmosphere instead of reflecting it.Even though this effect called greenhouse effect is necessary in a smaller scale, greenhouse effect in a larger scale will cause global warming,or,rise in global temperature

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