Which of the following is a benefit of urbanization a.) paying over land changes the environment b.) living in cities is more expensive than living in rural areas c.) cities are hubs for the arts, entertainment, and education d.) agricultural production is more efficient today than in the past

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.