The following statement is a vaild scientific theory. If Watson and Crick had not discovered the structure of DNA, bio - technology would be 20 years behind where it is today.
science - bobpursley, Monday, September 6, 2010 at 2:45pm
Well, it is a theory, however one would have to find evidence for it, and create tests to prove/disprove it, which of course, can't be done.
False, it is not valid. Theories have to be testable.
science - pam, Monday, September 6, 2010 at 2:48pm
so i was right then the answer is true than