Which statement about the reaction is correct? (1 point)
O H2O is an acid, and Cr is its conjugate base.
O HCl is an acid, and Cl- is its conjugate base.
O H2O is an acid, and H3O* is its conjugate base.
O HCl is an acid, and H3O* is its conjugate base.

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.

the answer is the index of refraction of the second medium is higher. i just took the test.