1. A health official argues that increasing taxes on sugary drinks will reduce obesity rates. Which of the following is an assumption underlying this argument?

2. All mammals are warm-blooded. All warm-blooded animals have a heart. Therefore, all mammals have a heart. This argument is:

3. No reptiles are warm-blooded. All birds are warm-blooded. Therefore, no birds are reptiles. This argument is:

4. If it's cold outside, people wear coats. People are wearing coats. Therefore, it must be cold outside. This reasoning is:

5. If it's a weekend, the museum is open. The museum is open today. Therefore, it must be a weekend. This reasoning is:

6. If it's raining, the ground is wet. The ground is wet. Therefore, it must be raining. This reasoning is:

7. If it's sunny, we'll go to the beach. If we go to the beach, we'll need sunscreen. It's sunny today. What can we conclude?

8. If it's a holiday, the mail isn't delivered. The mail wasn't delivered today. Therefore, it must be a holiday. This reasoning is:

9. No reptiles have fur. Some animals have fur. Therefore, some animals are not reptiles. This argument is:

10. No fish are mammals. All whales are mammals. Therefore, no whales are fish. This argument is: