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All sound waves move at nearly the same speed through the air.

High-frequency sound waves have a shorter

and a higher

than low-frequency sound waves.

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As you add protons to the nucleus, the name of the element appears. Add more protons. What happens?

What two kinds of motion combine to to produce projectile motion

Which statement is part of Bohr's atomic model? A. Electrons absorb or emit light when they change energy levels. B. Electrons with the highest energy are found with orbits of the smallest radius. C.

Which property do metalloids share with nonmetals? Both are gases at room temperature. Both can react to form acidic compounds. Both are very poor electrical conductors. Both can be pounded into thin sheets.

Suppose that the same amount of heat is added to two 10.0-g blocks of metal, both initially at the same temperature. one block is gold metal, and one is iron metal.

What is an organism ability to maintain a steady internal condition called

What is the fundamental frequency of a particular medium?. a. the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?