Answer:
Less than the effect of each drug added together.
Explanation:
Answer:
C
new combinations means variations, and the more the variations there is of a species, the more diverse they are
Uracil (U) is not part of DNA but is part of RNA
Atom is the basic element of all living things because it's small. It is the smallest constituent unit of matter which has the properties of a chemical element. They are very small. Sizes are about 100 or 100, 000 fm. They are unstable. They are composed of a nucleus and electrons.
The answer is B between respiration and combustion
