Answer:
89883 paper clips
Explanation:
To solve this problem you need to use conversion factors to work with the same units.
First you should convert 32.3mm to miles:

Then you should divide the total distance between the length of a paper clip in miles, so:

The periodic table is organized by the atomic mass of the elements. It means if the element is in Group 2a in the periodic table, it has 2+ ions.
Well the reason why the water valve was because of the force of gravity. Without the force of gravity the water would have flown so if you had to try to move the water up the waterfall you would have to fight the force of gravity