Continental drift
The theory of continental drift was proposed by Alfred Wegener, a German meteorologist and geophysicist, in the early 20th century. Wegener suggested that continents slowly move over Earth's surface, leading to the formation of new landmasses and oceans.
what theory did fleming come upwith
The Theory of Heredity
Newton
Because the old theory demonstrably did not explain the observations.
in 1856
oh have forgotte
can they fright to use a gun from the boston
Abraham Lincoln was killed from a shot to the back of the head fired by John Wilkes Booth. There is no historically supported theory as to whether his wife put him up to it.
When he saw that the plates could fit.
soon
Do you mean that you have to come up with your own theory about some aspect of astronomy? That is wonderful! What is your thinking so far?