$7.$ What is the main difference between single super phosphate $($SSP$)$ and triple super phosphate $($TSP$)?$

$-$ A$)$ SSP uses sulfuric acid, while TSP uses phosphoric acid.

$-$ B$)$ SSP contains more P$2$O$5$ than TSP$.$

$-$ C$)$ TSP is produced from rock phosphate, while SSP is not.

$-$ D$)$ SSP is a liquid, while TSP is a solid.