Answer: B
Explanation: Mars and Venus are terrestrial so a planet in between would be as well
Answer:
The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.
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The first in liquid i think
It would be C. because the student is using different amounts of fertilizer in each container
The horsehoe crab because it was one of the first animals to ever live on earth
