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How hot is Levi Johnston?

Sizzlin'!
Not bad. I've seen better.
He's taking the quick fame thing way too far.

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Sciences

Cliff has answered many Science questions from other students who need a little help on their homework and tests. Browse this list of questions to find out if Cliff already has an answer for you. If not, return to the Ask Cliff page to ask your Science question, keeping in mind, of course, that Cliff won't do your homework for you.

1. Is it possible to catch more than one cold at a time?
2. Did humans evolve from monkeys or apes?
3. What is cell theory?
4. How come when humans flatulate, it smells bad?
5. This sounds really disgusting, but I'm curious: Can humans drink animal blood, or any other kind of blood?
6. What happens when you die?
7. What kind of endangered species are there? Can you give me some examples, please?
8. It's impossible to sneeze with your eyes open, so when you drive a car, is it against the law to sneeze?
9. What is the current law on compulsory vaccinations in the U.S.? Are there any exceptions for people who don't want to get vaccinated?
10. What does "nature versus nurture" mean?
11. What does genetic recombination mean?
12. How has DNA matching really made big difference in finding out who committed a crime?
13. What's the difference between the sympathetic and parasympathetic nervous systems?
14. What is incomplete dominance?
15. Aren't fungi really plants?
16. What are the endocrine and exocrine systems?
17. Are there more than three kingdoms of life? I can never remember.
18. Do you know of any way to simplify the overall subject of biochemical genetics?
19. Did Clarence Darrow really call an animal in to testify at the famous monkey trial?
20. What role does the thyroid gland play in the human body?
21. What did Mendel discover about heredity when he was playing around with plants?
22. How do viruses do their dirty work?
23. What do bones do, except give us a skeletal structure?
24. Do all viruses look alike?
25. How does nondisjunction relate to birth defects?
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