Use the following paragraph to answer questions 4-12. (1) Our planet earth is a constant changing planet. (2) From space the Earth looks calm and quiet. (3) But many scientist, who study the earth, and know that deep beneath the surface of the earth, is molten rock and it is in constant motion, and there are many ways, for the scientist, at the surface that we can learn about what happens under the earth’s surface, including earthquakes, the volcano and geysers. (4) Despite the similarities between geysers and the volcano, scientists like to study geysers because they offer more useful information, are more accessible to the public and are less dangerous. (5) The volcano and geysers have a lot in common__ both erupt from cone like structures and both rely on heat to function.
4) What type of punctuation is missing from sentence 5? : *
A) no punctuation is needed in this sentence
B) a comma
C) a semicolon
D) an apostrophe