The observed slowing down of time predicted by Einstein's Special Theory of Relativity for an object traveling close to the speed of light is referred to as
A) time dilation
B) time expansion
C) a time warp
D) time contraction
Question 2
Which of the following may have played an important role in triggering snowball Earth events?
A) positive feedback
B) negative feedback
C) bipolar feedback
D) chaotic feedback