I’d say D but I’m not 100% sure
The side Groups are What make each amino acide different from the others the side groups used to make proteins
Answer:
Kitten
Cactus
Mushrooms
Bacteria
so all but Rock
Because only living things have cells
Answer:
oxygen
Explanation:
we need oxygen don't mind me
The best estimate<span> for </span>Earth's age<span> is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, </span>scientists calculated<span> the relative abundances of elements that formed as radioactive uranium decayed over billions of years.</span>