What inspired protesters to demonstrate at tiananmen square?
a. the death of a popular political reformer
b. the chinese government declared martial law
c. chinese soldiers shooting unarmed students
d. chinese movement toward democracy

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

In a scientific experiment, a is any factor that can be changed or be changed

Which year held a congressional election and a presidential election