The mass of helium gas in a balloon is_?

How air particles exert a pressure on the inside of the balloon

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

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?