Apond is located beside an open mine. mercury from the mine contaminates the river water. this is an example of:
- single pollution
-multiple pollution
-point source pollution
-non-point source pollution

The correct answer is C. Point source pollution

Explanation:

Water contamination like the one that occurs in the case presented takes place as certain contaminant such as trash, chemicals or not natural substances are released into the water of lakes, rivers, oceans, etc. Additionally, this contamination can be classified as non-point source pollution in the cases where pollution originates from multiple sources or a source that cannot be clearly identified or point source pollution if the cause can be identified. This implies in the case presented in which water contamination clearly occurs due to the mine that releases mercury into the water this is an example of point source pollution as a source of the pollution is defined and identifiable.

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explanation:

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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explanation: