It lets elected officials know how citizens wish them to act <span />
The answer is D because you want to have a control group! Hope it helps!
Answer:
The greenhouse effect is a natural process that warms the Earth's surface.
Explanation:
When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
$13.44 is the price of one 5-pound box of nails :)
The answer to the question asked above is crossing over creates a new set of genetic make up which is more likely a combination of the two that crossed over.
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