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Science Questions Threak - Page 16

post #226 of 244
Thread Starter 

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Edited by merkur - 7/30/11 at 7:11am
post #227 of 244
Quote:
Originally Posted by merkur View Post
Why are there so many huge cave systems/caverns in SE asia in particular Vietnam?

There exists significant limestone-based substrate in Vietnam. Limestone (CaCO3) can break into constituent Calcium and carbon dioxide in solution when it is presented with an acidic liquid (in this case water). It gets worn down and huge caves can appear underground. It's also why Florida is replete with sink holes.
post #228 of 244
Quote:
Originally Posted by Seanallen View Post
So what if all the air in the entire world, just turned into wood.

In the earth's atmosphere, there is more than just oxygen atoms floating around. As you've been taught in elementary school (I hope), Nitrogen, in the compound form of N2, comprises most of the atmosphere. Then Oxygen, Argon, Carbon Dioxide, and so on (can't remember the rest). Although certain elements may not be present in some trees, all trees are composed of many different elements. The most common and essential of them include Carbon (C), Hydrogen (H), Oxygen (O), and Nitrogen (N). NH3 is ammonia, which is an essential, inorganic fertilizer for trees/plants. Unless one suffers from weak stream, everyone can profusely excrete urine, which contains ammonia.

So if the air changes into wood, you must first filter water through your bladder. Find any source of vegetation and release any inhibitions you may have about public urination. You cannot hold your breath for long, so hop to it posthaste. We need oxygen to survive, so by giving any form of vegetation the things required to perform photosynthesis, we can create more oxygen. Remember, only watering them will do nothing unless a proper fertilizer is added; adding too much urine is acidic though, be careful. If any wood gets in your way (to be expected), then chop that shit up! The sun needs light, too!
post #229 of 244
Why is it when you heat your house to a warm temperature in winter, that same temperature is something you'd want to turn on your air conditioner for in the summer?
post #230 of 244
Quote:
Originally Posted by BC2012 View Post
There exists significant limestone-based substrate in Vietnam. Limestone (CaCO3) can break into constituent Calcium and carbon dioxide in solution when it is presented with an acidic liquid (in this case water). It gets worn down and huge caves can appear underground. It's also why Florida is replete with sink holes.

This is correct. Plus SE Asia and Florida also have very humid and at times rainy weather. The same limestone bedrock (substrate) in a present dry desert environment is much less likely to form large and extensive cave systems and sinkholes due to the lower rainfall.
post #231 of 244
Quote:
Originally Posted by thromb View Post
This is correct. Plus SE Asia and Florida also have very humid and at times rainy weather. The same limestone bedrock (substrate) in a present dry desert environment is much less likely to form large and extensive cave systems and sinkholes due to the lower rainfall.

My undergrad in geology has done me wonders. I can answer all kinds of useless rock questions, particularly if they are geochemistry-related. At heart, I still love it though - just love the work in finance more.
post #232 of 244
Quote:
Originally Posted by willpower View Post
Why is it when you heat your house to a warm temperature in winter, that same temperature is something you'd want to turn on your air conditioner for in the summer?

A temperature of 70ish Fahrenheit is considered comfortable by most humans. So, you'll warm your home in the winter and cool it in the summer to achieve about that temp. It's also why SoCal has the most expensive property in the US, on average. People flock there because the temperature is comfortable almost every day (and coincidentally, the sun and temp are why grapes grow so well in NoCal - that and the rich soil).
post #233 of 244
Thread Starter 

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Edited by merkur - 7/30/11 at 7:23am
post #234 of 244
Quote:
Originally Posted by merkur View Post
OK guys bear with me; a lot of overlapping questions coming up:

1. Do congenitally blind people have dreams?
2. Do you need eyes to have dreams? Do blind animals like moles dream?
3. Do people who used to have sight but then become blind still have dreams?
4. Do your eyes need to be "closed" to dream? I read that fish have no eyelashes so they sleep with their eyes open. Do fish dream?
5. If blind people don't have dreams, what do they have? And how do they ever know that they're not "not dreaming" (or whatever it is that they do in place of dreaming in their sleep) or if they're even awake (and not in a "dream" as we would call it)?


Quick answer:
1. blind people do dream, but instead of seeing, they hear, feel, smell, and taste.
2. all mammals dream, even blind mammals. thus moles dream.
3. for animals other than mammals, there is no notion of "sleeping", they are in energy-saving state, and thus there is no "dreaming" if we're talking strictly about dreaming while sleeping.
post #235 of 244
Should dolphins be considered non-human persons?
post #236 of 244
Quote:
Originally Posted by BaggyJeans View Post
Should dolphins be considered non-human persons?

Nosu?
post #237 of 244
Quote:
Originally Posted by BaggyJeans View Post
Should dolphins be considered non-human persons?
I think you should be considered a non-human person.
post #238 of 244
First post inside joke references warrant insta-ban.
post #239 of 244
Just watch Food Matters documentary. It all pretty much makes sense and is logical. Anybody smarter than me want to chime in on some of the stuff in the documentary? Obviously deficiencies lead to disease, but is taking a multi, popping vitamin c, drinking a lot of juice, and eating veggies the key to never being sick/cancer free/ healthy? I've always thought pills do nothing to solve the actual problem and that our body can basically handle issues all on its own. I found the doc was pretty good and I enjoyed it.
post #240 of 244
Thread Starter 

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Edited by merkur - 7/31/11 at 5:35am
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