All food preservation methods a. slow down or stop growth and reproduction of microorganisms b. involve removing liquid from the food
c. create an acidic environment for the food product
d. require the food to be heated before it can be preserved

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.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.