What is a Rift Valley?

Identify the opportunity cost John pay when you spend $20 on a new pair of gloves instead of a new shirt

A camper paddles 406 meters in 70.0 seconds. What is the average speed?

How far east will the plane travel in 1 hour?

Match the element with its description. Match Term Definition Sodium A) Highly reactive gas Silicon B) Nonreactive gas Bromine C) Has properties of both metals and nonmetals Argon D) Malleable, soft, and shiny

A region in a ferromagnetic material that has a large number of atoms with aligned magnetic fields is called a what? (A) ferromagnetic region (B) magnetic declination (C) magnetosphere (D) magnetic domain

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww