Matter is made up of very small particles

Which statement is true about unltraviolet waves? They are

Explain why a high-speed collision between two cars would cause more damage than a low-speed collision between the same two cars

Which index of refraction represents the most optically dense material? a. 1.58 b. 1.77 c. 2.42 d. 2.65

What would happen if our bodies could not metabolize glucose? A. We would not be able to inhale oxygen. B. We would not be able to eat solid food. C. We would lack the energy we need to function

The frequency of the harmonics following a fairly simple pattern, as described in the text. If the frequency of the fundamental (n=1) harmonic is 70.0 Hz, what is the frequency of the second harmonic (n=2) ?

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases

A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is

What Is a mineral made of oxidized hydrogen

If you were to go to space, and took your helmet of the suit off while your out side of the rocket, what would happen?