Which describes the role of vitamins?
a)vitamins provide structural materials for cells.
b)vitamins are a source of energy.
c)vitamins manufacture amino acids.
d)vitamins the body use other nutrients.

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.

Fill in blank, what term refers to a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period? a is a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period.