The following question has two parts. First, answer Part A. Then, answer Part B.

Part A:

Based on the charts in the passage, how has the production of coal and solar energy in California changed between 2005 and 2015?

A
The production of both coal and solar increased.

B
The production of both coal and solar decreased.

C
The production of coal increased, while the production of solar decreased.

D
The production of coal decreased, while the production of solar increased.

Part B:

Which statement BEST explains why the change in coal and solar production most likely occurred?

A
Solar energy technology has improved and increased in capacity, but coal has decreased in capacity because it is a limited resource.

B
Solar energy technology has improved and increased in capacity, while coal has also increased in capacity because new coal forms all the time.

C
Solar energy technology has become too complex and decreased in capacity, but coal has increased in capacity because new coal forms all the time.

D
Solar energy technology has become too complex and decreased in capacity, while coal has also decreased in capacity because it is a limited resource.