Answer:
A) A single gene can only influence a single trait
Explanation:
One gene has the possibility of influencing many traits and in the same manner, multiple genes can affect a single trait.
Due to a reduction in blood volume due to blood donation, the stroke volume will decrease. However, to compensate for this, your heart rate will increase so as to maintain your cardiac output. Cardiac output is stroke volume multiplied with heart rate.
Maintaining normal cardiac output is critical so the whole body receives enough nutrients and oxygen.
Answer:
Proton, neutron, and electron
Explanation:
The answer is C, it helps the roots to down. Think of gravity, it keeps us in place
