Hurry and
what two natural phenomena drive the water cycle?

a.) solar radiation/gravity
b.) rain/gravity
c.) tornados/lighting
d.) magnetism/flooding
((i know that is not going to be c or d))

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

In chile, the deepest earthquake occurred at 61.7°w longitude at a depth of 540 km. if the rocks at the focus began subducting 10 million years ago and are now 1000 km from their original position, what is the average rate of subduction in cm/yr?

For the following reaction, 3.70 grams of oxygen gas are mixed with excess carbon monoxide . the reaction yields 8.25 grams of carbon dioxide . carbon monoxide(g) + oxygen(g) carbon dioxide(g) what is the ideal yield of carbon dioxide? grams what is the percent yield for this reaction? %