The kidneys filter wastes and excess salts from the blood. if salt concentrations are low, negative feedback mechanisms would most likely

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

a compound light microscope is used to magnify objects in steps.  

hope it

answer;

-chlorine

explanation;

-toxic industrial chemicals are industrial chemicals that are manufactured, stored, transported, and used throughout the world. toxic industrial chemicals can be in the gas, liquid, or solid state.

-they can be chemical hazards (e.g., carcinogens, reproductive hazards, corrosives, or agents that affect the lungs or blood) or physical hazards (e.g., flammable, combustible, explosive, or reactive).

regulate growth

produce insulin

control bladder

regulate bone calcium

control metabolism

produce adrenaline