Answer:
URGENT PLEASE HELP!! Earth science!!
What stages of development are represented by the Group 2 and Group 3 stars? Describe these
groups in terms of their relative age, size, brightness, and temperature.
43 degrees
angle of reflection is equal to the angle of incidence
Im not sure how correct these are but i hope they help :)
some potential barriers are
youd have to wait for the chemicals to clear up before goiun gback into that room if u have kids that r little you would have to make sure they dont lick wutever it is u cleaned otherwise it might poison them and if u use to much of it it could make the air poisoness for a few which could be dangerous toi breathe in.
again im not to sure how correct these r but i hope they were right and i hope they help :)
1. <span>Pb2+ (aq) + SO42- (aq) = PbSO4 (s)
2 .Pb2+ (aq) + 2 Cl- (aq) = PbCl2 (s)
3 .PO43- (aq) + Fe3+ (aq) = FePO4 (s)
4 S2- (aq) + Co2+ ( aq) = CoS (s)</span>
