According to the principles of hydrology, what happens to the freezing point of water when you add salt and raise the water pressure?

Salt makes the water have a lower freezing point and a boiling point up to 650f

answer; ///(b) it is composed of four protein chains and four heme groups;

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.