Is Gasoline for you car a clean source of energy?

Which of the following materials would generate the strongest magnetic field if used as the core? A. silicon B. plastic C. carbon D. iron

The most common purpose for fracking in the U. S is to get A) petroleum B) natural gas C) geothermal energy D) mineral ores

Which does not separate white light into the colors of the visible spectrum? A. rods in the retina of the human eye B. rain drops in the atmosphere C. a diamond ring D. cones in the retina of the human eye

How much energy is passed from one trophic level to the next

The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature.

An iron railroad rail is 800 ft long when the temperature is 31°C. What is its length (in ft) when the temperature is - 17°C?

How does the lever arm change if you decrease the angle of the force?

Why does changing the shape of an object have no effect on the density of that object?

2. Vehicle-braking distance is the distance your vehicle travels after you see a problem before you apply the brakes. A. true B. false

On a sky coaster (human pendulum) that reaches 10 meters from it's equilibrium position, a man of 120 kg is able to reach a maximum speed of 18m/s 14m/s 1200m/s 11m/s