The right answer is the burning of fossil fuels.
While all these proposals have a bad impact on the biosphere, Proposal B is the only one that has a direct link to climate change.
Air pollution by combustion is an alteration of air quality that can be characterized by measurements of chemical, biological or physical pollutants present in the air, with consequences that are detrimental to human health, to living beings , climate, or material goods.
A forest ecosystem is a natural woodland unit consisting of all plants, animals and micro-organisms (Biotic components) in that area functioning together with all of the non-living physical (abiotic) factors of the environment. The forest ecosystem is very important.
A trimmed mustache is permitted to be worn by a male cadet
The best fossil evidence to suggest that Neanderthals could produce a language like that of modern humans comes from the “hyoid bone” collected at Kebara Cave in Israel. Because of the descended larynx, it may be indicated that Neanderthals are capable of human-like speech.
