Question 6 of 33 An audio signal was copied, and the copy is identical to the original. Which is
most likely to have been the type of signal that was copied?
A. Digital
B. Analog
C. Infrared
D. Radio

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?