Answer:
Key concepts and summary. A supernova occurs on average once every 25 to 100 years in the Milky Way Galaxy.
Explanation:
please give me a heart
Answer:
Plant organelle
Explanation:
Only plant cells have central vacuoles used for storing water usually. Animal cells can have vacuoles, but these are never described as central as there can be many and they are not as large as plant vacuoles.
Answer:
<u>The three parts of an amino acid are the carboxyl group, the amino group, and the central carbon that contains the R group.</u>
<u>hope this helps</u>
For the answer to the question above, I think the answer is simply because <span>four legs characteristic is not special to mammals but the hair that is something more important and special characteristic of the mammals, that's why. I hope this helps
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