Why don't we use more renewable energy sources

The energy levels of an atom are occupied by___?

Why isn't Pluto currently considered a planet? A. Pluto's orbit around the sun is larger than that of any of the eight planets. B. Pluto is smaller than all of the eight planets. C.

H2SO4 is a strong acid. Which two ions do you expect to find in a solution of H2SO4? A. H and SO4 B. H2 and SO4 C. 2H + and SO42- D. H2S and 2O2

You and two friends apply a force of 425 N to push a piano up a 2.0 m long ramp. If lifting the piano straight up requires 1700 N of force, what is the mechanical advantage of the ramp?

A clamp-type measuring instrument operates on the principle of A. induction. B. resistance. C. voltage. D. transformance.

Why are the sedimentary layers at capitol reef tilted?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

Why is flammability a chemical property?

Luke pulls a sled using a force of 65 N for a distance of 25 m across level ground. The rope Luke pulls forms an angle of 25° with the ground. About how much work does Luke do on the sled? 250 J 690 J 1,500 J 1,600 J

Intramolecular and intermolecular forces hold together which of the following? A. atoms within a molecule B. molecules within an object C. charged particles within a salt crystal D. the atoms within compounds E. all of the above