San andreas fault is an example of what type of boundary

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass