Answer:
I can't say that it is definitely write.
HHH
H-C-C-C
Answer: Butane will effuse more quickly because it has a smaller molar mass
Explanation:
Molar mass of C4H10 = 58.123 g/mole
Molar mass of I2 = 253.808 g/mole
I suppose it would be forest because in order to have organic matter the soil needs to be rich and fertile,therefore it is forest.
I believe it would weigh less if it’s blown up with helium because helium is lighter than air