MCQOPTIONS
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| 1. |
Sharks are killers of the deep seas. Which of the following are the characteristics of the sharks? |
| A. | They are bony. |
| B. | They are cartilaginous. |
| C. | They are mostly warm-blooded. |
| D. | Gill slits are covered. |
| Answer» C. They are mostly warm-blooded. | |