Thirty-eight because the chromosome pairs are 19 and therefore, no. of chromosome will be 38.
Im a little late but its B Its a mixture of both metals and nonmetals
D two cells with 12 chromosomes in zero homologus
D because gravitational force cannot pull or push
Answer:
A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coronary heart disease is often blocked, usually by a fatty deposit. This means the blood does not flow as well. (See diagram, in which I would draw two arteries, one with a blockage of fatty deposit, one clear and healthy).
hope this helped you
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