For man taking the air force physical fitness test the best possible time to run 1.5 miles is less then

Which nutrient is the most difficult to break down and, thus, is generally used last fro energy in the body? water carbohydrates fats proteins

When studying heredity, what is the relationship of dna based and traits? super urgent !

Which area of the brain controls the body's ability to fight off stress? question 1 options: synapse, frontal lobe, dendrite, sympathetic nervous system