Francesco Redi wanted to see if spontaneous generation was true or not. His famous experiment with the meat in the jars .
A. tested a theory
B. confirmed a hypothesis
C. checked his own results
D. repeated another scientist's experiments

An economic term that describes happiness and its hard to measure in numbers is

In what ways did the compromise of 1850 and the kansas-nebraska act of 1854 differ from the missouri compromise? both compromises used the established 36°30′ parallel to determine if territories would become free or slave states. both compromises used the mason-dixon line to determine if the territories would become free or slave states. both compromises let territories use popular sovereignty to determine if they would become free or slave states. both compromises only granted congress the power to determine if territories would become free or slave states.

Which of the following items would serve as a primary source for a historian studiying the american civil war