Answer:
The rate at which the motor neurons action potential are acting using more and larger motor units embed over the neurons that'll ultimately trigger the contraction of more muscle fibers according to different kinds of load.
The answer to this is D i think.
The first and last options should be considered when thinking about sun safety. It's important to make sure you have a good amount of the right strength sunscreen on. Incorporating makeup products with sunscreen is a very good idea, since it's some easy protection.
Ive had to work 6 days a week standing all day for 10 hours