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Is there some evolutionary advantage for humans having our ears on either side instead of on top of the head? I don't know about evolution but I could provide an answer for why we'd rather keep our ears where they are. Your ears act as recievers but sounds can come from a variety of directions. It should be no surprise that most sounds will be coming from our sides and not from above. Most communication between humans is conducted at that level and makes it much easier to for their ears to...

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Our biology teacher told us that plants give off carbon dioxide (and he wasn't testing us). How can I report an incompetent teacher? I'd suggest talking to the Biology teacher about the matter. It's very possible that the Biology teacher can either prove it or correct the mistake. (We're all human, right?) But if that doesn't work and you still feel that the teacher is incompetent and would rather have a different teacher you could mention it to the principle/head of department/another biology...

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Why is it colder on the top of a mountain when hot air is supposed to rise? As air rises it expands and cools and as it descends it compresses and warms up. So by the time the air gets to the mountain it's become very cold. Oh by the way- the hot air is "supposed to rise" above the colder air around it but as mentioned earlier it will lose it's energy. Here's a citation- Ahrens D. Essentials of Meterology. p. 31 2005 Thomson...

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How can I stop stuff from flying toward the front of the car when I stop quickly? You can prevent things from "flying" forward by strapping them down or using an object that is heavy or large enough that it couldn't gain sufficient momentum. Prevention is a lot easier than stopping the objects out right. Objects that are not strapped down or prevented for continuing their course, will remain at the speed they were traveling and as a consequence will...

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What is the difference between an apple and a crab apple tree? A crab apple is much smaller and more sour than the domestic table apple. In my experience crab apples can be be strangely curved and even occasionally look as if a pepper! Some basic information can be found at Wikipedia. http://en.wikipedia.org/wiki/Crab_apple *In response to Snowflake1556's comment* I've eaten quite a few of them. They're very sour though. Not sure if...

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How many male babies are born in the U.S. every year? According to the National Center of Health and Statistics in 2003 there were approximately 2,096,335 male births. Normally there's a few more male births than female births but the population ratio seems to even out due to the higher percentage of male mortality rate. There's also an unexplained (and some what disputed) correlation between war and increased male birth rates. ...

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Is it correct to use "anniversary" when speaking of a recurrence of a date that occurred less than year ago? This would correct usage of the word. Although anniversary is most often used to describe an event that indeed occurred a on the same day of a year after that event. Here's where I found the answer http://dictionary.reference.com/search?q=anniversary

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Can you get a ticket for parking on your lawn in the state of Texas? I don't know about a ticket but they can tow and store the vehicle at the owner's expense. So I'm inclined to believe that yes they can give you a ticket. I found the answer at- http://www.sll.state.tx.us/research/texaslaw.asp http://www.capitol.state.tx.us/cgi-bin/cqcgi And here's the jargon. LOCAL GOVERNMENT CODE SUBTITLE B. COUNTY PARKING AND TRANSPORTATION...

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What's the best way to meet women if you're shy and won't make any first moves? The best way to meet women or any person is to go to places that have many people and/or lots of human traffic that have a design for social interaction. Some examples- School/College, Church (or other religious institition), Skating, Museums, Library, the Internet (ironically), bars, clubs, concerts, and other places that are likely to have a convergence of people. Although making moves...

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Are doctors obligated to seek a diagnosis for every patient in every medical case? If the doctor has taken the -Hippocratic Oath- or a similiar oath of modern times that states some thing similiar to the following... "To practice and prescribe to the best of my ability for the good of my patients, and to try to avoid harming them." Then the doctor is by his oath supposed to make an effort to do good for his patients by either seeking a diagnosis or finding...

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Is it true that Mormons aren't supposed to have boyfriends or girlfriends? Members of the Church of Latter-day Saints (Mormons) are counselled not to date before the age of sixteen. Even then the members of the church are to maintain observance to the laws of chasity.

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