... He decided to repair the thing himself and not to take it back to the shop. A. He decided to have the thing repaired and not to take it back to the shop. B. He took the thing back to the shop because ... activity that causes tsunamis in Japan often occurs on the ocean bottom quite close to the islands, the tsunamis that hit Japan often comes with little warning and can therefore prove disastrous. ... ocean, tsunamis have little noticeable amplitude, often no more than one or two meters. It is when they hit the shallow water the coast that they increase in height, possibly up to 40 meters. Tsunamis...