An observation is something you saw happen whereas an inference is something you think will happen. You can guess that the water will fall through a static filled comb, but you observed the water moved away from the comb instead. (I saw this happen and I thought it was so cool)
Answer:
Mitosis and meiosis both involve duplication of a cell's dna content
Answer:
Cardiovascular is the correct option
Answer:
A person can have normal chromosomes in number and structure, but still have a disease or condition caused by a mutation in one or more of the genes on the chromosomes. A single gene defect usually does not cause the chromosome structure or number to be abnormal.
Explanation:
I'm not sure if this is correct but hope it helps.
Nitrogen gas is most commonly found in which earths sphere?a. Biosphere
b. Exosphere
c. Atmosphere
d. Hydrosphere
