The atoms in the air are called , and they are very a. noble gases, reactive
b. molecules, unstable
c. molecules, common
d. noble gases, inert

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this