They must have to do their work on time . And must do what their parents siad to do
True, true, true, unsure.
My answer to the question is Transpiration pull.
For the answer to the question above, <u>"</u><u>hydrogen ions"</u> <span>form when muscle cells convert lactic acid to lactate. </span>
this is the reason why we feel fatigue when exercising it is that we accumulate a compound called lactic acid. I hope this helps
