In a lava lamp, a waxy substance rises and falls repeatedly. What causes the waxy substance to rise?

A) The waxy substance is cold.
B) The waxy substance is warm.
C) The waxy substance is less dense than the surrounding liquid.
D) The waxy substance is more dense than the surrounding liquid. Convection is occurring.

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?