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Science & Mathematics - 12 October 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

does it refer to Butterflys?

btw, are the Butterflys usually male that pollinate other flowers or is it just a common thing for both sexes to do this?

thanks for your answers!

2007-10-12 15:20:45 · 7 answers · asked by Anonymous in Botany

what is the answer to -5.68 divided by (-0.02)? if u can please show steps thnks

2007-10-12 15:20:39 · 8 answers · asked by Anonymous in Mathematics

Hi, I'm 15, and last year my bestfriend of 7 years died suddenly. I've been reading up on summoning the dead, and I was wondering if it's really possible. Is it? Could I summon her from the dead to talk to her? If so, how do you go about performing such a task? Thanks in advance.

2007-10-12 15:19:29 · 21 answers · asked by Anonymous in Paranormal Phenomena

I am doing some research to write a sci-fi story in a somewhat distant future and there is something I don't quite understand about plate tectonics.

I'm not sure exactly what fuels them. I know liquid water is needed, as well as internal heat that can be derived from the core itself or radiactive material. I've heard the atmosphere has some impact too. But what puzzles me more is size. Supposedly a planet that is too small cannot maintain tectonic activity for long. What are we talking about here, mass, volume or both? And going a bit further, is there some kind of estimation on the size a planet should be to maintain activity?

Thanks very much in advance to whoever answers.

2007-10-12 15:16:31 · 4 answers · asked by cactuar2k 3 in Earth Sciences & Geology

glucose
O2
CO2
H2O
ATP
ADP+Pi
NADH
NAD+

2007-10-12 15:10:33 · 3 answers · asked by Anonymous in Biology

Ok this is an equation used for some type of distance.Acceleration, distance traveled, velocity, and time are related in the formula d=vt+1/2at^2.
Solve for a and justify each step.

just confused how to begin.
thanks.=]

2007-10-12 15:10:26 · 4 answers · asked by MistyFlower 4 in Mathematics

mastoid pprocess?

2007-10-12 15:08:02 · 1 answers · asked by Terri L 2 in Biology

How many mph would I need to run in order to meet 2 miles in 14 minutes?

2007-10-12 15:02:05 · 6 answers · asked by Jaclyn 2 in Mathematics

2007-10-12 14:57:27 · 8 answers · asked by kenyatiab 1 in Mathematics

2007-10-12 14:56:48 · 5 answers · asked by kenyatiab 1 in Mathematics

From Point Blank....What Is Oxidation/Oxidation States
and what exactly is the point of them???
*please explain in detail*

2007-10-12 14:54:34 · 4 answers · asked by Anonymous in Chemistry

Silver, being one of the best conductors of electricity, is used in the electrical wiring for high-end stereo equipment. What would the temperature be of a 0.325 kg silver conductor that has been carrying a current for two hours? The specific heat of silver is 0.23 J/g C, the wiring is at a temperature of 23° C and it absorbs 3.45x103 J of energy.

A 5.00 g calorimeter, c=15.77 J/g °C, is used to measure the heat capacity of an unknown metal. The 8.60 g unknown metal is first placed in a boiling water bath for several minutes then placed in the calorimeter. The calorimeter has 151 g of 23° C water in it. If the final temperature of both the metal and the water is 52° C, calculate the heat capacity of the metal.

How would you work these two problems?

2007-10-12 14:51:14 · 1 answers · asked by surferchic 2 in Chemistry

Thanks, I have been researching for the answer but I can't find it, so I decided to ask on here!

2007-10-12 14:48:51 · 4 answers · asked by Anonymous in Biology

*or any spirits around me? I was told my spirit guides name is Joshua,, do you agree?

and thanks in advance for all the witty answers explaining to me that these things do not exist.. I don't really care what skeptics think but I'm sure they'll want to let me know anyways hahaa

2007-10-12 14:46:24 · 13 answers · asked by Anonymous in Paranormal Phenomena

I really love physics, but all we're learning right now are vectors and d-t, a-t and v-t graphs. So i stayed after class and asked my teacher about blackholes, long story short he said if you're going at the speed of light you can see aroung the corner before you get there... i've been thinking about that for quite some time but i just don't understand what he meens.

2007-10-12 14:33:04 · 7 answers · asked by stefany 1 in Physics

what do you think? They'll air in a half hour from when I'm asking this..

2007-10-12 14:31:03 · 10 answers · asked by Anonymous in Paranormal Phenomena

complete detail like how aircraft work, maintance period of aircraft, which material aircraft consist of,how aircraft run,how much of internet speed o person can availfrom this internet technology.

2007-10-12 14:21:26 · 1 answers · asked by zero_nirmal 1 in Engineering

Ok I just posted the wrong question, and people never answer questions after a few answers... so here is the REAL question, my apologies.
5^x + 3^2x = 92
You have to use logs to solve it, and the answer in the back of the book is aprox. 1.93

2007-10-12 14:21:21 · 5 answers · asked by Anonymous in Mathematics

2007-10-12 14:20:45 · 33 answers · asked by Anonymous in Mathematics

2007-10-12 14:19:58 · 4 answers · asked by Hazmat/Boat Grad. 1 in Geography

2007-10-12 14:13:36 · 3 answers · asked by ladonnataylor2003 1 in Chemistry

the emf produced by an ac genrator is given by e=wNBA sin wt. In the SI system what is the value of w for a frequency of 60 Hz?

a) 60 Hz
b) 120 rad/s
c) 2 pi rad/s
d) 377 rad/s
e) 577 Hz

please help and explain this to me guys!! thanks!!

2007-10-12 14:12:13 · 2 answers · asked by Anonymous in Physics

My whole class is stumped on it - including my teacher. The answer in the back of the book is aprox. 1.93.
You have to use logs to solve it obvs.
5^2 + 3^2x = 92
Can you like give me a walkthrough, or some hints or something? Going to go insane.

2007-10-12 14:11:16 · 7 answers · asked by Anonymous in Mathematics

honest truth

2007-10-12 14:03:52 · 5 answers · asked by knowitall 1 in Biology

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