What is the basic definition of a black hole?
A) any compact mass that emits no light
B) a dead star that has faded from view
C) any object from which the escape velocity exceeds the speed of light
D) any object made from dark matter
E) a dead galactic nucleus that can only be viewed in infrared
Question 2
Much of the land on the west coast of North America began as volcanic islands in the Pacific.
Indicate whether the statement is true or false