What are common compounds of selenium? What are they used for and where are they found? Please answer ASAP, please don’t send scam/spam.

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

56 moles of   lieter in chemistry

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.