Question

1. which of the following statements best describes a scientific theory?

a. it explains very few observations
b. it is basically speculation
c. it may change
d. it cannot be changed

Explanation:

A scientific theory is a well - substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Scientific theories are not fixed; they can change as new evidence is discovered or new ways of interpreting existing evidence are developed. Option a is incorrect because a scientific theory explains a large number of observations. Option b is incorrect as a scientific theory is not mere speculation but is based on evidence. Option d is incorrect as scientific theories are subject to change with new evidence. Option c correctly states that a scientific theory may change.

Answer:

c. It may change