At the very beginning of a strength training program, a person should perform 1 s you won't get burned out. repetition set, repetition ex

Because it spreads quickly 

Your answer is d. recognition! hope this

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe. 

Excessive consumption of natural foods has no effect when ,dietary foods does.they are bad in lower cholesterol and higher in good cholesterol.