Which of the following is a physical change? adding an acid to milk to form sour cream adding enzymes to milk to form cheese adding bacteria to heated milk to form yogurt adding sugar to milk to form sweetened milk

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?