Answer:
I think its A
Explanation:
Because the reason why airplane have closed windows is because we can't breathe in carbon dioxide when we go up. Of course there is oxygen just not a lot as we go up. Why would there be helium in the air? We would sound weird when we skydive.
I believe the answer is B because the egg becomes fertilized by the sperm inside the body.
Answer:
Pneumococcal polysaccharide vaccine
Explanation:
This is a liquid vaccine, and these types of vaccines should not be frozen, because if they do they lose their potency and no longer protect the individual from infections. In fact when these types off vaccines are frozen they can cause local reactions such as sterile abscesses.
Answer:
Imarie uses a microscope to study different prokaryotic and eukaryotic organisms. Which of the following statements describes how the prokaryotic cells appear compared to the eukaryotic cells? The prokaryotic cells are much smaller than the eukaryotic cells.
Answer:
d.
Explanation:
im working on this unit rn in school too
