Of the eight most abundant elements in earths crust, what percentage does the six next most abundant elements of earths crust make up?

Loggers cut down 2 identical trees. One tree was cut down with a hand saw and one was cut down with an electric saw. Which activity involved more work?

Write a paragraph explaining the origin of the solar system according to the nebular theory

two vehicles have a head on collision. one vehicle has a mass of 3000 kg and moves at 25 m/s while the second vehicle has a mass of 2500 kg and moves at - 15 m/s.

What evidence would scientists who did not believe in the Big Bang theory have wanted to see and measure when they examined the universe?

The flow of electric charge is called current. a. True b. False

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.

A 2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

A stone is thrown vertically upward with a speed of 12m/s from the edge of a cliff 70 m high (a) How much later it reaches the bottom of the cliff? (b) What is its speed just before hitting? And (c) what total distance did it travel? (Ans: 5.

After completing a career search, Patrick has decided that he wants to be a paralegal. Which two skills or abilities are important for him to have in order to excel in this career?

The highest peak in the vicinity (<100 kilometers) of Mt. Kilimanjaro is located to the: a. north. b. west c. east. d. south. e. northeast