Frederick applies different brands of fertilizer to his pizza crops to determine which will make his delicious snacks grow the tallest. What is his dependent variable?

the answer is d. exposing corruption in the church

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.