Answer: False
Explanation:
Just because an environmental agent is not harmful does not mean that it is beneficial therefore not all non-harmful environmental agents that a pregnant woman ingests aid in the development of the fetus.
This is where the Placenta comes in. It filters out the agents and nutrients that are not needed and passes only the relevant ones to the fetus thereby ensuring that not all non-harmful agents pass through.
I believe the correct answer would be the parathyroid hormone (PTH) and calcitonin. Both of this hormones work in hand in hand in regulating the phosphate and the calcium levels present in the blood. Hope this answers the question.
I think it’s B (hope this helps)
<span>About the conservation of energy. Suppose you are in a vacuum and you bunch a basketball. You will notice that no matter how much you will leave the ball bunching the ball will never stop. That happens because the ball develops both potential and kinetic energy, the sum of those two give us the mechanical energy which remains constant. We have to suppose that friction is zero otherwise you have to count for thermal loses. </span>I hope that this is the answer that you were looking for and it has helped you.
Fish! indians would use fish way back it they would put it under the crops and the crops would get good nutrition and they would grow twice as fast and twice as healthy!
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