Alfred Wegener discovered that there are similar mountain ranges on both sides of the Atlantic Ocean. An example of this is the Appalachian Mountains that disappear
off the coast of Newfoundland and the mountains that are found in the British Isles.
These mountain ranges are similar in age and composition. This information helped
Alfred Wegener form his theory of -

the answer is b

explanation:

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.

if you listed your answers right then i believe your answer is b.