Exercises that improve cardiovascular fitness improve body composition, because they

a. increase body fat

b. increase body tissue

c. release energy

d. store energy

Ab+cd-> ad+bc is what kind of reaction

True or false? the usa has one of the safest food supplies in the world

What is one technique to a person get proper sleep? eat a heavy meal before bed. exercise intensely before bed. practice relaxation breathing before bed. use electronics before bed.