Name some types of rock that have been used to construct buildings

What is the fastest thing in the world, and what is its speed?

Does adding a neutron to an atom's nucleus makes it an ion?

Summary on how solar energy works

Air, water, glass, and crystals are examples of substances that light can pass through. Each of these substances is called?

If a 2,300 kg car is accelerating at 16 m/s^2, what is the force it is producing?

Part of the solar radiation entering the atmosphere about ___ actually reaches the earth's surface

The bulk of peoples dreams occurs during what following state?

1. Which of the following lists minerals in order of hardness from lowest to highest on the Mohs hardness scale? A. Gypsum, apatite, topaz, feldspar, corundum B. Fingernail, penny, glass, topaz, diamond C.

The mass of a subway car and passengers is 45,500 kg. If it's acceleration as it leaves a station is 0.6 m/s2, what is the net force (in N) acting on it?

Which of the following determine an object's velocity? A. speed and direction B. direction and acceleration C. speed and mass D. speed, direction, and acceleration