The processes that changed the Earth in the past are the same processes that change the Earth today is known as...

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.

c should be the answer

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

it is a. i hope this .