What lightens stains better vinegar or lemon juice also what is the hypothesis for it

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

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)