The biome that is most at risk due to over-harvest of organisms might be the

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.