Which of the Following Is True of Worldwide Sea Level

Multiple Choice

Which of the following is true of worldwide sea level?

A) Over the long term, levels have been very constant.
B) Changes in sea level are usually unrelated to tectonic processes.
C) Changes seem to occur without any relation to global average temperatures.
D) It was about 130 m (430 ft) lower 18,000 B.P., and about 10 cm lower 100 years or so ago.