Which of the following statements a about scientific hypothesis is false?

a. a hypothesis should be created when the outcome for its test is known.
b. a scientific hypothesis is an educated guess about why something happens.
c. a scientific hypothesis is an explanation for a natural phenomenon.
d. in order to be useful, a scientific hypothesis must be testable in a way that is replicable by other scientists.

The false statement from the given statements is option a.

Explanation:

Hypothesis:

A hypothesis is a intelligent guess or prediction to interpret or explain any phenomena.  

It is tested through the series of experiments and by number of studies to actually decide whether hypothesis is in agreement with observation and results predicted by it. These prediction are made on basis of limited evidences. It can be false or true.

Theory:

A theory is an in depth explanation behind any physical phenomena which has been tested multiple times through the correct scientific methods and experimentation. It will give same results and observations.

your answer is c) plasma

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