Ask Cliff: Science Questions and Answers

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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.

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1.	Is global warming man-made?
2.	Who was the most famous mathematician?
3.	What exactly is wind? And why does it blow?
4.	This sounds really disgusting, but I'm curious: Can humans drink animal blood, or any other kind of blood?
5.	Why is space exploration important?
6.	How is photosynthesis essential to life on earth?
7.	What did W.E.B. Du Bois mean when he wrote of second-sight?
8.	What is the highest mountain in New Mexico?
9.	What's the difference between a psychiatrist and a psychologist?
10.	Who are the "unbelievers" referred to in The Koran? What is it that they do not believe?
11.	What is the difference between Sunnis and Shi'ites?
12.	What happens when you die?
13.	Why is it important to memorize where the 50 states are on a map?
14.	What kind of endangered species are there? Can you give me some examples, please?
15.	It's impossible to sneeze with your eyes open, so when you drive a car, is it against the law to sneeze?
16.	What are tectonic plates?
17.	I have boy trouble. I want to ask out my friend, but I am not sure he is going to say yes. Plus, he said he had a girlfriend when we talked during school. Plus, my parents don't want me to date.
18.	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?
19.	Why is the sky blue?
20.	Do you really shrink at the end of the day and then grow in the morning?
21.	What is the difference between "matter" and "mass"?
22.	In what countries does Toyota produce and market cars?
23.	What does "nature versus nurture" mean?
24.	What are closed contour lines?
25.	What is homeostasis?

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