<span>Light travels Slower in a material with a higher index of refraction.
because </span><span>Water has a higher index of refraction than air and it travels slower (bends) in water
high index mean slow travel
hope it helps</span>
He would try to enter as the tide is rising, and leave as the tide is falling. Those things happen at all different times of day during a month.
What that means is the atom is so radioactive that the nucleus is unstable.
