Answer:
A "chain reaction" is a reaction that promotes or spreads the reaction. PCR rapidly makes a bunch of copies of a specific DNA sample and can "promote" the increase the amount of DNA.
Explanation:
Answer:
Two kidneys
Explanation:
Most people have two kidneys, however, it is possible to live a healthy and active life with only one functioning kidney.
Cinder cone then the shield
The formula for cellular respiration is...
Gluecose + Oxygen = H20 + C02 + Energy
Hope this helps!
(I just took a HUGE test on it and please put as brainliest!)