Answer:
the answer is C. all of the above
hope this helps : )
Conservation is the act of guarding, preserving and protecting. So conserving will help reduce air pollution because instead of letting thing go to the wrong garbage or whatever you can save and conserve and even reuse. decreases air pollution.
Answer:
A. The atria are contracting and pushing blood into the bottom ventricles of the heart.
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Answer:
responsible parenthood makes difference by not letting children commit crime if they are properly trained
(the answer is b)it coulve been a but it say "only" and stress has a lot of effects on the body and c and d are answers to trick you but you have to pay attention to what it actually states
