When a substance freezes, its atoms become locked in place so they do not move from one position to another. Therefore, any substance that is frozen is a

The radius of a niobium atom is 131 pm. how many niobium atoms would have to be laid side by side to span a distance of 2.40 mm

What was Copernicus's model of the solar system?

Which of the following statements is not a prediction of the general theory of relativity? A) Time runs slightly slower on the surface of the Sun than on the surface of Earth. B) The Universe has no boundaries and no center.

A varying force is given by F=Ae ^-kx, where x is the position; A and I are constants that have units of N and m^-1, respectively. What is the work done when x goes from 0.10 m to infinity?

Which of the following correctly shows the four most abundant gases in the Earth's atmosphere in order from most abundant to least abundant? A. oxygen, nitrogen, argon, carbon dioxide B. nitrogen, oxygen, argon, carbon dioxide C.

Eclipse of the sun occurs (A). When the moon is between the sun and the earth. (B). When the earth is between the moon and the sun. (C). When the sun and the earth are parallel to each other. (D). When the moon is directly above the earth. (E).

If a decision was made to increase agriculture fertilizer application, which would be an example of a negative trade-off based on this decision? A) excessive nutrients B) farm profits increase C) increase crop production D) consumer prices decrease

If two waves collide and form a temporary smaller wave, the interference is?

Which statement best describes anatomy and physiology? Anatomy studies the reaction of chemicals to different substances, and physiology studies the body's internal functions.

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 17.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 24.0 m/s in exactly the opposite direction.