Select the correct answer. which statement is true? a. opinions can be scientifically tested. b. scientific theories are absolute and cannot be changed. c. scientists have learned all they’ll ever know about science. d. facts can be scientifically tested.

D. Facts can be scientifically tested

Option (D)

Explanation:

Scientific fact is usually defined as an objective and observations that can be verified when compared to a hypothesis or a theory that is meant to be described and explain the facts.

The scientific facts can be tested and proved scientifically, by providing standard scientific reference works. These are very carefully and repeatedly observed and measured by conducting various numbers of experiments.

Thus, the correct answer is option (D).

answer; a muscle cell, another neuron and a of the above

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