Many processes occur in the digestive system. Which process is best classified as a physical change? (this is science)

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Why did southern business leaders want to increase the number of slaves

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?