The nucleus intructs cells to do their activities
<span>Animals and plants have cells that are specialized by the process of differentiation.</span>
Answer:
Sulfur, phosphorous.... sedimentary cycle.
Carbon, oxygen and nitrogen.... gaseous cycle
The antigens that are on the blood A antigens, B antigens and the Rh if it is a positive or negative
<span>True. A valid hypothesis must be testable and able to be verified or disputed empirically, because otherwise it is not a scientific hypothesis. A hypothesis that is not readily testable (for example, about a made up or fictional event) are not good hypotheses.</span>