I don't know what the answer is that he's in middle school but I hope you do well on this question and you get it answered as soon as possible you're really nice amazing person and you're intelligent all I can say is try try again never stop trying because it's better to try them to do nothing I when I don't know the answer I try or I guess but if I know the answer of course you're going to have to read the into down God bless you and have a nice day or night
Answer:
When the muscle cells can't get oxygen fast enough to meet their energy needs through aerobic respiration.
Explanation:
That's all I can help u.
Answer:
D. Wind
Explanation:
There is a limitless supply that is naturally produced
Support, protection, movement, mineral homeostasis, blood cell production and storage.
During superposition of a wave such as that of the oceans, when the crest and the trough meet, then they cancel out into the period. If two crests meet up, they add up to a crest that’s equivalent to the summation of their amplitudes. This is also true when two troughs meet up.