The atmosphere of the moon is made up

of what gases?

Hydrogen and helium

Oxygen and nitrogen

Carbon dioxide and oxygen

The moon has no atmosphere

Which describes increasing the efficiancy of an energy resource?

Which of the following statements about matter is true? Mass and matter are always the same. Matter is made up of atoms and has mass. Mass can decrease while matter increases. Matter does not exist in the biosphere.

When and why was the metric system invented?

Raina is running for student body president and doesn't want to forget her campaign speech. She practices her speech over and over so she can deliver it flawlessly. What type of learning is taking place?

In the water cycle, matter moves towards of gravity during

A proton in a cyclotron is moving with a speed of 2.97*107 m/s in a circle of radius 0.568 m. 1.67 * 10-27 kg is the mass of the proton, and 1.60218 * 10-19 C is its fundamental charge.

If you set up an experiment with two different independent variables, then the results would be

Convert 88 mm to cm?

aluminum has a density of 2.70 gm/cm cubed. what is the mass of a peice of alluminum that has a volume of 100.00 cm cubed

List three fossil fuels. How do they differ from renewable energy sources?