B, a nucleus. Nuclei are membrane-bound organelles inside eukaryotic organisms. Eukaryotes are protists, fungi, plants, and animal cells. A bacteria is not a eukaryote, it is a prokaryote, so it does not have the membrane-bound structure of the nucleus.
Be careful, though, bacteria still have DNA. It is simply located in the center of the cell and is not encased in a membrane.
It is respiration because all living things do it and have to do it because they have to make energy to survive. After all, respiring is just a reaction that makes energy to go into cells, doesn't matter if it's a plant or jellyfish or whatever.
The first answer
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Answer:
Alfred Wegener, in full Alfred Lothar Wegener, (born November 1, 1880, Berlin, Germany—died November 1930, Greenland), German meteorologist and geophysicist who formulated the first complete statement of the continental drift hypothesis.
<h3><u>Disease</u>:</h3>
Disease literally means being uncomfortable or at disturbed ease.
<h3><u>Acute </u><u>disease</u>:</h3>
Diseases that last for only very short periods of time are called acute diseases
<h3><u>Chronic </u><u>disease</u>:</h3>
Diseases that can last for a long time may be even for a lifetime are called chronic
<u>-TheUnknownScientist</u><u> 72</u>