Match the human activities with their effects.
fossil fuel combustion
use of fertilizers and pesticides
deforestation
It makes soil more vulnerable to erosion because there is nothing to hold it in place.
It releases greenhouse gases into the air.
It pollutes fertile soil with toxic chemicals.

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

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