<span>The greatest concentration of nitrogen on the Earth is found in its atmosphere. The atmosphere is approximately 78 percent nitrogen. and second one bacteria</span>
We do not use carbon dioxide to fuel our blood cells. It is a waste.
Arteries move blood from the heart to the rest of the body.
Veins carry the blood to the heart to be oxidized.
"D" is not correct.
"B" is not correct.
We know that veins carry blood to the heart, lungs exhale carbon dioxide.
"A" is the correct answer.
I hope this helps!
~kaikers
A. Cytoplasm
(The Nucleus is the control, site of DNA)
Cell wall is in plant cells, giving stability and protecting the cell from rupturing. DNA is stored in the Nucleus, not a organelle.
The answer is Cytoplasm, C.
I believe the answer you're looking for is Archaea-bacteria.
Answer:
I am pretty sure it would be A