Has normal (2n) amount of DNA;
Has twice (4n) the normal amount of DNA
<span>The place where two bones meet and allow our skeletons to be more flexible is known as a Joint.</span>
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
Explanation:
it's very reactive which helps to make strong bones