A. SCIENCE B. SCIENTIFIC C. SCIENTIFICALLY D. SCIENTISTSPART 2

4. A. science B. scientific C. scientifically D. scientistsPart 2: Read the text and answer the questions that follow (2.0 p)Most people are afraid of sharks, but they usually do not know very about them. There aremore than 350 kinds of sharks, and all of them are meat eaters. Sharks are useful because they eatsick fish and keep the oceans clean. Sharks do not have ears. However, they can “hear” sounds andmovements in the water. Any sound or movement makes the water vibrate. Sharks can feel thesevibrations which help them find food. They also use their large eyes to find food. Most sharks seebest in dim light. They often hunt for food at dawn, in the evening, or in the middle of the night.Scientists want to learn more about sharks for several reasons. For example, cancer is common inmany animals, especially in people. However, it is rare in sharks. Scientists want to find out whysharks almost never get cancer. May be this information can help people prevent cancer too.