Emily came to see her advisor about doing a research study for her ph. d. dissertation. "what are you going to investigate? " he asked. "i believe that drinking orange juice before an iq test will raise a person's score," she said.

Emily's answer constitutes a "hypothesis".

A hypothesis, in a scientific context, is a testable proclamation about the connection between at least two factors or a proposed clarification for some watched marvel. In a scientific experiment or study, the theory is a concise summation of the scientist's forecast of the examination's discoveries, which might be bolstered or not by the result. Hypothesis is the center of the logical strategy.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

aliens arent real sorry bud