7. Why does a higher temperature cause a reaction to go faster?
Either there are more collisions per second or the collisions are of greater energy.
There are more collisions per second and the collisions are of greater energy.
Collisions occur with greater energy only.
There are more collisions per second only.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?