The earth's geochemical cycles are the and

blank one: energy, nitrogen, water, or rock

blank two: carbon, tectonic, water, or phosphorus

The density of glycerin is 1.26grams/centimeter cubed . how many is this? use the conversion rates of and . express your answer to the correct number of significant figures.

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc