61/3 is the answer for this question
They are said to be “denser” than air. what happens is that light slows down when it passes from the less dense air into the denser glass of water. this slowing down the ray of light also causes the ray of light to change directions. it is the change in the speed of the light that causes refraction.
The answer is c it's the best one
They have an adaptation called trigger hairs.
The daughter cells have the same # of chromosomes and the same amount of DNA!
