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To disprove this all you need to do if find one example of a prime that is not even. Such an example is called a counterexample. If a statement that all such and such or every such and such has a certain property, all you have to do to disprove it it to demonstrate the existence of on such and such that lacks the property .
Its called a Hypothesis.
Its called a Hypothesis.
Hypothesis
A testable statement used for making predictions and carrying out further experiments is called a hypothesis. The hypothesis might change as the scientist continues to test his or her theory.
Science begins with theory.In other words, science is the process of trying to answer questions by formulating likely explanations, called "theories", and then designing experiments that will either disprove or prove that the theory is true.
field experiments
Experiments.
It's called a theory.
variables
A Lab
experiment