If you are new to an activity, it is better to

a. work at a slower speed for more days a week
b. work at a lower intensity level for a longer period of time
c. work at a higher intensity level for a shorter period of time
d. work at a faster speed for fewer days a week

They might be white heads, basically pimples but you should ask your parents to check them out before it’s something bad.

Whats your question?

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Ibelieve the answer is a. ovals