PHOTO HELPPP Why should photographers not only have digital copies, but also printed copies of their photos? A. Printing photos is the less expensive option
B. Printed photos are higher quality than digital files
B. Computers sometimes require special software to read certain files
D. Computers will damage digital files easily

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

An electron moves with a constant horizontal velocity of 3.0 × 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places