ionic compounds with transition metals, please help (u have to put in the roman numerals in the answer) will give brainliest to correct answer

Is this a single replacement reaction or there is no

The minerals found in bones are deposited by living cells called

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?