Answer:
The percent composition of a component in a compound is the percent of the total mass of the compound that is due to that component. To calculate the percent composition of a component in a compound: Find the molar mass of the compound by adding up the masses of each atom.
I think answer should be the last option I hope this helps let me know if it’s correct thanks
Answer:
different sizes of the parachute
Explanation:
this is what is being changed throughout the experiment