What happens when a ray of light moves from air to water?
its speed changes.
its color changes.
its direction changes.
it's absorbed by water.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What happens to an isotope during radioactive decay?

To find the mass defect for uranium-238 several calculations must be made. which is the calculation that should be made first? assume atomic number for uranium-238 is 92. a. 92(1.0073) x 92(1.0087) = b. 92(1.0073) x 146(1.0087) = c. 146(1.0073) x 238(1.0087) = d. 238(1.0073) x 238(1.0087) =