The recommended intake of biotin (a B vitamin) is 30 micrograms per day for adults. Studies show that adults who consume this much biotin are healthy, with no evidence of deficiency or toxicity. However, the precise human requirements for biotin have not been determined experimentally. The type of nutrient standard described is a(n)

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.

violet light has a shorter wavelength than blue light. violet light is scattered more than blue light. however, the human eye is less sensitive to violet than to blue. as a result, we perceive a blue sky instead of a violet sky.

answer:

yep

Explanation: