Over the last century, global average temperatures have
A) risen by about 0.85C (1.5F)
B) stayed approximately constant
C) risen by about 2.0C (3.6F)
D) risen by about 3.0C (5.4F)
Question 2
The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the plates must
A) increase.
B) decrease.
C) remain constant.
D) There is no way to tell from the information given.