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Which of the following hypotheses can be tested using the scientific method? Select ALL that apply.
Chocolate chip cookies made with butter are better than those made with margarine.
Dogs are smarter than cats.
Name-brand microwave popcorn pops more completely than generic-brand microwave popcorn.
Taking vitamin C shortens the length of time a person experiences symptoms of the common cold.
Ingesting artificial sweetener increases the likelihood of developing type II diabetes.
Psychics can read other people's minds.