The main function of vitamin K is: a. to quench free radicals b. to influence body functions through its regulation of the genes c. to act as an antioxidant in cell membranes d. to regulate blood calcium levels e. to help activate proteins that help clot the blood

to help activate proteins that help cloth the blood and helps regulate blood calcium level (d) and ( e).

Explanation:

Vitamin k is used to treat and prevent low levels of certain substances that is blood clotting factors that your body naturally produces. These substances help your blood to thicken and stop bleeding normally

It also help metabolism and regulating blood calcium level.

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."

answer:

idk but im 5'8

Explanation: