Question 1
An atoll is approximately ________ in shape because it forms ________.
◦ circular; around seastacks
◦ circular; around submerged volcanic islands
◦ linear; along barrier islands
◦ linear; along continental shorelines
Question 2
An earthquake, submarine landslide, or eruption of an undersea volcano is capable of producing a
◦ tsunami.
◦ tidal wave.
◦ slow-moving giant swell.
◦ wave in the open ocean of great height.