Answer:
Oxygen is a chemical element that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion — see Chemical Elements Table.
Explanation:
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Answer:
Microcycle mesocycle macrocycle peak microcycle
Explanation:
pleas thanks
Although exercise is the best way to do that, there are other ways.
Practice controlled breathing exercises, which are easy to do from the comfort of your home.
One is where you take a few small breaths in and one large breath out. Keep doing this.
Breathing exercises are also relatively easy to find on the internet.
Answer:
B
Explanation:
Prokaryotic cells do not have a nucleus
Prokaryotic cells lack many membrane-bound organelles thus they have no mitochondria
