Astudent thinks that scientific theories are not reliable sources of information, since scientists tend to argue about the details of them. what is the flaw in the student's reasoning? a. the arguments between scientists tend to make theories stronger, not weaker. b. scientists rarely disagree about scientific theories. c. scientific theories do not change over time, which makes them reliable. d. it is rare for a scientific theory to be valid for more than a few years.

a.The arguments between scientists tend to make theories stronger, not weaker.

Explanation:

A scientific theory includes the explanation of cause of a natural phenomena. It includes a relevant methodology which was followed to obtain reason responsible for the cause of a natural phenomena.

a.The arguments between scientists tend to make theories stronger, not weaker. is the correct option because of the fact that the arguments bring changes in the content of the theory which is proved and postulated by suitable scientific methodology. This will make the content of the theory valid, accurate and reliable by the entire scientific society.

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

може ли да зареждате повече информация, моля