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The force that accelerates a rocket in outer space is exerted on the rocket by the ___.

Soil can best be described as the A. layer of bedrock four layers beneath the Earth's surface. B. sandy bottom of the ocean's floor. C. third layer beneath the Earth's surface. D. loose covering of weathered rocks and decaying organic matter.

What causes convection in the lower mantle to occur? (be able to discuss temperature and density)

A pendulum of mass 0.8 kg has 20 joules of potential energy at the top of its path. It's kinetic energy at the bottom of its swing is: A. 80J B. 20J C. 40J D. 10J

Which observation would best support that the bond present was a covalent bond? A) The compound present contains a nonmetal. B) Carbon and oxygen share pairs of valence electrons. C) Aluminum is contained in a compound and forms a cation.

Explain in just 5 lines. "Current can flow through metal conductors, Semiconductors and even in Gases and Liquids. Discuss what types of charges are responsible for flow of current in each matter?

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

Which of the following lists contains only examples of renewable sources of energy? A. wind, tidal, geothermal, and hydroelectric B. coal, solar, wind, and biomass C. fossil fuels and nuclear energy D. hydroelectric, petroleum, solar, and wind

The part of a longitudinal wave that is least dense is called a (n) rarefaction refraction contraction compression