Complement is the name used to describe a group of protein enzymes normally present, but in an inactive state, in blood. when activated, they are specialized protein molecules that target foreign cells, such as bacteria, for destruction. how do complement protein enzymes destroy harmful cells?
a. "drilling" a hole in the cell membrane
b. causing sodium to rapidly rush out of the cell
c. causing water to rapidly rush out of the cell
d. phagocytosis

answer:

the world will never kno

explanation:

answer: every other day

explanation: because you don't want to over work your body and especially if your just starting to work out.

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."