Which statement best describes sputnik 1? a) last of the manned soviet rockets b) first man-made earth satellite launched by the soviet union c) first spacecraft to carry a human (yuri gagarin) d) first us spacecraft put in to orbit

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

the answer is aggresion hope this and mark me as brainiest and add me as friend