Need help answering questions

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.

You can always get a sexually transmitted disease. always ask for consent before doing anything..because you never know if your bf or gf has an std!

The answers is b hope this you