One characteristic of mass wasting processes is that they a. only operate on steep slopes. b. move materials very slowly. c. operate only during nonfreezing months of the year. d. move materials relatively short distances compared to streams.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue