Cemir, nikel, kobalt gibimaddeleri çeken cismin adı

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

The sum of the oxidation numbers in a neutral compound is always

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium