Why do we not know yet if we live in a 'multiuniverse"?

If a certain battery supplies 1.0×108 electrons per second to the negative terminal and the battery contains 7.00 moles of electrolytic solution (which means the solution contains 7.00 moles of hso4), what fraction of the solution undergoes a chemical reaction each second

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?