Polarity is important because polar and nonpolar molecules have different properties. Polar molecules interact(___?) with other polar molecules but(__?) interact with nonpolar molecules, and vice versa. a) Strongly
b) do
c) do not
d) weakly

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?