Answer: 1 mole of 
has the greatest mass.
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP , contains avogadro's number 
of particles and weighs equal to the molecular mass of the substance.
1 mole of has a mass of 40 g.
1 mole of 
has a mass of 28 g
1 mole of 
has a mass of 32 g
1 mole of 
has a mass of 16 g.
1 mole of 
has a mass of 30 g.
Thus the greatest mass is of 1 mole of
They are higher than water
The chemical with the lowest point is helium
Answer:
conversion of sunlight to cloraphil
Explanation:
plants absorb sun and convert it to energy
Answer:
B! SPIRAL CAUSE ITS SPINNY AND PRETTY UWUUUUUU hehe :3
