Your Answer:
that sex should only be engaged in for procreative purposes
The degeneracy theory was proposed by George G. Simpson in 1944. Simpson suggested that evolution could lead to the retention of non-functional traits or "degenerate" characteristics in a species.
Karl Marx proposed the theory of communism.
the 69 theory LOL
1905
There was no concrete evidence that led Dalton to propose his atomic theory. He proposed this theory based on logical explanations about the behavior of elements, gases or materials.
when he died :P
Democritus
Charles Darwin
yes
To propose a Theory and to make a Theory into a Law
Theory of Continental Drift
Yes