填空题 Questions 14-17
Complete the following sentences with NO MORE THAN THREE WORDS.

填空题 The shaping island, Surtsey, caused by______has been witnessed by Olafsson when he was a teenager.

填空题 ______has been protected through the restriction of human activities on Surtsey.

填空题 The most serious menace to developments of Surtsey is______.

填空题 Seals and other animals usually stay at the sea foreshore accumulated by______ from the south coast of the island.