The current atomic model would be revised if
a. better microscopes were being used to study its structure.

b. better microscopes are invented in the future.
c. new information about an atom's structure is discovered.

d. a new element is discovered in the future

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.

the answer is 100% density i've answered this question before and done the quiz myself.

her affection for her parents makes her an especially sympathetic character.