Question 1
Which of the following is
false regarding coral bleaching?
◦ By the end of 2000 30 percent of reefs were lost.
◦ It is only occurring in the southern hemisphere.
◦ It may be caused by global warming.
◦ It may be caused by local pollution and sedimentation.
Question 2
Which of the following is
false regarding the March 2011 tsunami?
◦ Waves reached 10 km (6.2 mi) inland.
◦ Wave heights reached 30 m (90 ft).
◦ 30 to 70 cm (1.0 to 2.3 ft) waves reached New Zealand 36 hours after the earthquake.
◦ 1-m waves reached Hawai'i 12 hours after the earthquake.