This phenomenon is called Eclipse.
The correct answer is "C".
Onion cell is a plant cell and human cheek cell is an animal cell. Hence, onion cell has a cell wall<span> but not in human cheek cells because animal cells do not have cell wall. Both cells have single nucleus. Since, human cheek cell is an animal cell, chloroplasts are cannot be seen in the human cheek cells.</span>
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
Radiation is the thermal energy transfer
Answer:
D
Explanation:
It's kind of hard to explain, if it's hot, it's the temperature.
The Answer was in your question. :)