What is the difference between science and pseudoscience

Match the given scenarios to the different phases in business cycle. expansion phase - peak phase - recession phase -

You want to test the hypothesis that smoking cigarettes increases the risk of lung cancer. in your experiment, you take 100 people of various ages and genders for each of your groups. one group smokes. the other group does not smoke. the group that does not smoke is called the group

Is the set of sounds that act as building blocks of meaning.