The blood of an organism is responsible for passing genes from parent to child true or false

Idon’t know how to solve this question

When would a bouncy ball have the most potential energy

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m