A. Protons neutrons and electrons.
Haha those three make up a simple Atom.
She needs to know the distance from LA to SF.
Call that distance x. Then you can calculate the cost from:
# of gallons consumed: x miles / 38 miles/ gallon = (x/38) gallons
After that,
cost = # gallons * cost per gallon = (x/38) gallons * 4 $/gallon = 4x/38 $
I think that the answer is 1/8 Hope this helps!!!! :D
Zn(s) + 2HCl(aq) = ZnCl₂(aq) + H₂(g)
zinc + hydrochloric acid = zinc chloride + hydrogen
Answer: A) Water Explanation: Water molecules are polar molecules