Wind energy is gaining support as a possible energy source for people. what is the source of the energy that generates wind?
a) the energy comes from the oceans.
b) the energy comes from seismic activity and volcanoes.
c) the energy comes from the sun as it heats up the earth.
d) the energy comes from heat and pressure deep inside the earth.

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.