when I was really confused in science class and I think a lot but not found in book then I get help from my friend but he also don't know that and then finally my teacher solves it the question was what makes a rainbow .
Answer:
A tundra has a lower average temperatures year-round.
Answer:
Prokaryotic cells don't have a nucleus, so its false.
Answer:
1.126 x 10^22
Explanation:
pV = nRT
7.53 x 10 = n x 8.31 x 485
n = (7.53 x 10) / (8.31 x 485) = 0.0187 moles
M = n x Avogadros number
0.0187 x 6.02 x 10^23 = 1.126 x 10^22