I think it’s the heart because it pumps blood and without it a persons will be dead
<span>The answer is B, a euglena uses a flagella in order to move. Euglena is a one celled organism under the Kingdom Protista. A flagella (or flagellum plural) is a long strand like structure that is located in the front end part (more like a tail in front). It flips to the left and right in order for the organism to move. It is connected to the reservoir, which contains the storage of food for the organism.<span>
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Volcanism can trigger mass extinction because, Volcanic debris changes the climate.
Answer:
B
Static is the correct answer to this question.
Carbon cycle is process that shows the exchnge of carbon in the living and atmospheric system. Carbon cycle starts with the giving off of carbon dioxide from nimals, accumulation of co2 of plants, contribution of organic matter of dead animals and plants, photosynthesis, etc. The answer is D. fermentation