5. Name three sources of atmospheric carbon dioxide.

If a positive metal sphere touches a negative metal sphere what will happen?

The presence of which gas makes the planets Uranus and Neptune appear blue? a. helium b. hydrogen c. methane d. nitrogen

If an electrostatically charged balloon is brought near other objects, which of the following will occur? Select all that apply. - It will be attracted to objects with the same charge. - It will be attracted to objects of the opposite charge.

Think about a drop of water in the ocean. if it were to go through the whole hydrologic cycle number the steps that would follow

Find the magnitude of the gravitational force a 63.5 kg person would experience while standing on the surface of Earth with a mass of 5.98 * 1024 kg and a radius of 6.37 * 106 m. The universal gravitational constant is 6.673 * 10-11 N · m2 / kg2.

A 30-g bullet is fired with a horizontal velocity of 450 m/s and becomes embedded in block B, which has a mass of 3 kg. After the impact, block B slides on 30-kg carrier C until it impacts the end of the carrier.

11) Shifting with ease from one type of problem-solving strategy to another is called a) flexibility b) versatility c) originality d) openmindedness

A truck undergoes a constant acceleration of 2.0 meters/second2 on a highway that slopes upward at an angle of 30.0° to the horizontal. What is the magnitude of the horizontal component of the acceleration?

Why is there so much more carbon dioxide in the atmosphere of Venus than in that of Earth? Why so much more carbon dioxide than on Mars?

People have proposed driving motors with the earth's magnetic field. This is possible in principle, but the small field means that unrealistically large currents are needed to produce noticeable torques.