The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
I believe it would be cleaning, why?, well because when you clean you are most likely to plane how you want things to be cleaned and in order. So i would say B. Hope this helps <span />
Answer:
A PAR-Q is a written assessment that can predict an individual's readiness for exercise and does not need a health professional to complete, like the others. Medical screenings and medical evaluations both need doctors, but the medical evaluation test is more in-depth. The exercise stress test is used to test the body's response to vigorous exercise.
Answer:
es una lactama de cuatro miembros Se nombra como tal, debido a que el átomo de nitrógeno está unido al carbono en relación con el carbonilo. También llamado penam es una estructura lactámica con un anillo heterocíclico que consiste en tres átomos de carbono y un átomo de nitrógeno