Answer:
C
Explanation:
Many kinds of air pollution can't be seen, which means A is incorrect. Any kind of pollution can be harmful to you, which means B is incorrect too. Air pollution is very harmful but in most cases can't be directly seen, so C is correct. Pollution can be found everywhere, so D is incorrect also.
<span>Actually the developing offspring in the eight week of pregnancy is medically know as a fetus,Where the lungs of the baby are nearly developed, and baby continues to grow and mature, then reflexes of work starts woking slowly, after which baby prepares itself for delivery in next few days.</span>
Answer:
endocytosis
Explanation:
hope this helps if it does please mark brainliest
<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.
These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
Answer:
the Archaea, the Bacteria, and the Eukarya.
Explanation:
