The first steps a scientist would do when starting a scientific experiment is to: question, do background research, and construct a hypothesis.
Answer:
they are called secondary pholem.
Explanation:
Answer:
1
Explanation:
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Description
Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10−27 kg/m3. .
Answer:
<em>4) Active transport.</em><em> (hope this helps)</em>
Explanation:
In this process, dissolved molecules move across plasma membrane from a lower to higher concentration.... because they move against the concentration gradient, an energy from the cell is required.
I believe A. but not 100% sure
