Which statement best describes a scientific question? a. it must be based on a hypothesis. b. it must be supported by data. c. it must be testable. d. it must be original.

The right option is; C. It must be testable

A scientific question is a question that is asked as part of the scientific method. A scientific question relies on a scientific context of theory and observation and its answers must be testable (confirmed or denied). This means it must be tested by a scientist through experiments or observation. Also, a scientific question should lead to a hypothesis that is confirmable.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.