What Do You Know About Sharks

If you wanted to . diffuse. air in a room, would you use a vacuum or a fan? _____ 4. Which has . buoyancy, a boulder or a raft? _____ 5. If something is a carcass, is it alive or dead? _____ VOCABULARY STRATEGY: CONTENT-SPECIFIC WORDS. Content words apply to specific areas of study, such as biology, physics, or foreign language. These are know as ................
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