Which type of molecule forms structures in cells and stores energy? (5 points) O upid
O Nuclelc acid
O Protein
O Water PLZ HELP I WILL GIVE BRAINLEST. PLEASE

How does concentration affect reaction rate

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?

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid