No, it is not true. A scientist can use many methods at the same time to investigate. The important thing is to eventually discard what doesn't work, and to refine what appears to work, or which can be 'proven' to work. Basically, it is all in being able to prove that the results actually work as expected, and that the results can be confirmed time after time when the experiments are repeated.
This is true because if any bias is present, the outcome may be affected by the scientist's method.
True.
False
A. True
False
False. But it would be true if you had said the last 3 or 4 HUNDRED years.
Never. The scientific method precludes this. One can only say that an Idea has not yet been superseded by a better one.
This is true because if any bias is present, the outcome may be affected by the scientist's method.
Harrison Schmitt, a geologist, is the only scientist to have walked on the moon. He was a member of the Apollo 17 mission in 1972.
true
True
It is true but only as a method for the survival of the species.
True.
False
true
Probably never. The Bermuda triangle isn't what true scientist would write about. Keep looking for one! There are, however, many by conspiracy theorists and the like which do not investigate merely speculate and are not rigorous in arriving at their conclusions.
False