Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO 3) than the organic is a sedimentary rock composed largely of the minerals calcite and araganite.
I can think of 2 off the top of my head first is friction and second is gravity
Explanation:
The given data is:
The mass% of a solution is 7.
Mass of solution =450g
The mass of salt required can be calculated as shown below:

Substitute the given values in this formula to get the mass of solute that is salt:

Mass of salt =31.5g
Mass of solvent that is water = 450g-31.5g=418.5g
If the cup of water contained hot water. Sugar will dissolve a lot slower if it was in room temperature and even slower if it was in cold water.