The reproductive system is a group of sex organs that work together for the purpose of sexual reproduction. Hope this helped!
Answer:
Air seal you attic so you keep outside air out and inside air in, get new energy efficient windows, replace old appliances so they take up less energy, keep your water heater warm so that you use less energy by heating up water, switch from incandescent lights to fluorescent lights. Add solar panels.
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Explanation:
Lavoisier would have taken mercury and heated it up to 350 degrees centigrade in air and then found that a new compound was formed a red or yellow mineral which would be mercury oxide so the experimental observation would be the change in color of the mercury and the formation of a mineral with different properties from pure mercury.
Using Newton's second law
W=Fd
if F= 20N
d= 5m
W=Fd
=(20)(5)
= 100 J
Explanation:
It sends message directly to muscles and glands
