What is the % of water in (MgSO4 . 2H2O)?

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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?