<span>Among the decisions gave, a case of two rep is doing one pull-up followed by a second pull-up. For instance, one rep would be 15 pull ups then you would take a rest and do another rep so answer decision two would be nearest to remedy the best approach to worded might be bizarre.</span>
The answer should be B) protons and neutrons repel eachother. the protons and neutrons have opposite charges and repel eachother, so of course the nucleus needs to have a very strong force to hold it all together :P
<span>The Human Menstruation cycle is what happens to the uterine between day 27 and day 1.</span>
The cell membrane gateway system you are looking for is called <span>Sodium Potassium Pump.</span>