What is the purpose of a hypothesis?
a. it specifies the procedure for a scientific experiment.
b. it is a prediction of whether an experiment will give useful results.
c. it tells other scientists what kind of research they should be doing.
d. it is a possible answer with an explanation for a scientific question.

It is a prediction of whether an experiment will give useful results.

B

I learned it at school during my Critical Thinking Through Science class.

the cell theory states that all living things including animals, as well as plants, are made of cells.

the wires in the toaster turning red and the toast crisping and turning brown