Can some one help with this question too??

Why are the trends and exceptions to the trends in ionization energy observed?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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?