Which of the Following Statements Is True

question 36

Multiple Choice

Which of the following statements is true?

• A)Once a hypothesis has been proposed, it can never be challenged.
• B)A valid scientific hypothesis is self-evident and does not need to be tested by experimentation.
• C)The scientific method can help people make informed medical and environmental decisions.
• D)If properly designed, experiments always prove hypotheses to be wrong.

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Definitions:

Energy Quality

Energy Quality refers to the ability of a form of energy to perform work; higher quality energies are more easily used to perform work effectively.

Electricity

The set of physical phenomena associated with the presence and motion of electric charge, used as a form of energy.

Ionizing Radiation

Radiation with enough energy to remove tightly bound electrons from atoms, thus creating ions, and can lead to chemical changes and damage biological tissues.

Mutation

describes a change in the DNA sequence within a gene or chromosome of an organism leading to the creation of a new character or trait not found in the parental type.