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Science & Mathematics - 28 October 2006

[Selected]: All categories Science & Mathematics

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

Explain why or why you don't believe in aliens.

also if you can answer, who is earthsister?

2006-10-28 23:48:44 · 27 answers · asked by jewl 32 2 in Astronomy & Space

Will it be taller than the empire state building?

2006-10-28 23:47:02 · 8 answers · asked by Anonymous in Mathematics

2006-10-28 23:42:29 · 7 answers · asked by big_daddy_cool4u 2 in Earth Sciences & Geology

2006-10-28 23:41:21 · 10 answers · asked by joe m 1 in Geography

There was nothing which had any shape or form, just darkness, silence.
And that's the way it was once.

Can you give me some feed back on this?
If it was like this at one time, who created it than?

I know the answer, thought for the day, especially for nonbelievers.

2006-10-28 23:33:27 · 11 answers · asked by inteleyes 7 in Astronomy & Space

How long do you think, mankind will be able to travel in the speed of light to explore other planet ? or able to acquire Alien technologies to visit intelligent life ?
http://www.youtube.com/watch?v=U4ywcyqvRmU

2006-10-28 23:32:55 · 17 answers · asked by Anonymous in Astronomy & Space

2006-10-28 23:30:12 · 5 answers · asked by bryan the rock 1 in Medicine

2006-10-28 23:29:25 · 3 answers · asked by Anonymous in Weather

its for a math project

2006-10-28 23:26:40 · 9 answers · asked by clairemch 2 in Mathematics

required for a project

2006-10-28 23:24:46 · 1 answers · asked by dshada 1 in Physics

This is for my Science report and i really need to noe about them and if u can please name a parasite that is helpful to humans and how it is helpful

2006-10-28 23:21:19 · 7 answers · asked by Anonymous in Biology

actually, i found a website that suited my needs but i forgot it. the problem is i badly needed to find it.

2006-10-28 23:17:55 · 3 answers · asked by Anonymous in Biology

I know aluminium forms a protective layer of aluminum oxide and hence water does not corrodes it easily.

However, since the oxide is amphoteric, won't it react with acids and subsequently be dissolved?

What is the main reason aluminium cans are used?

2006-10-28 23:16:04 · 4 answers · asked by Anonymous in Chemistry

Must use Cartesian principles

2006-10-28 23:13:39 · 9 answers · asked by Anonymous in Mathematics

"The threat of human-induced hazards has grown significantly as population has increased"

Can someone put this in a more simple meaning.? Thanks

2006-10-28 23:05:44 · 11 answers · asked by 5 in Geography

2006-10-28 22:59:48 · 1 answers · asked by mike 1 in Engineering

energy in time/space coordinates: It looks something like this (the white lines are there only for our visual orientation; in reality NOTHING EXISTS!) The white lines are something like the "KOLAM" "connecting the dots" It is represented by a balance circuit that equates light with sound. India was in the place where Africa is now. India is slowly being moved towards the east. The whole "world map" is under a cylindrical printer (projector) that projects it on a flat surface. In reality it is nothing but a black rectangular space.
http://marun2.googlepages.com/20061029A_00710100101.jpg

2006-10-28 22:54:46 · 7 answers · asked by Anonymous in Astronomy & Space

When they used the atom gun and shot atoms through a slot and it created a diverse patern that they didnt forsee. When they observed the atoms shooting through the slot with a camera to understand why it created the patern it did, but then the atoms did not create the same patern. Only while being observed by the camera did the atoms create an uncharachteristic patern. Does this mean an atom is 'aware' and has a soul? Or is this how string theory and chaos theory butt heads??

2006-10-28 22:53:14 · 6 answers · asked by Tropicalboy 3 in Physics

2006-10-28 22:52:39 · 5 answers · asked by Michael B 1 in Chemistry

( ^ = to the power of )

1. 3x^3 y^4 z^-2
----------------------
6x^-1 y^3 z^-3

2. 2^2
--------------
(3/2) ^-2 hint: ( 3/2 means 3 over 2 )

3. (4y)^7
--------------
(4y)^3

4. (2x^5)^3 (-3x^4)^3

5. 7(x^4)^5 (-4x^2)^2

6. ( 4x^3 )^3 hint: (parentheses mean the the whole equation ^3)
( ------ )
( 2y^2 )

7. ( 5x^3 )^2
-----------------
( 5xy^2 )^3


For questions 14 and 15, help me simplify the rational expressions.

14. -x^2 + 10x - 21
-----------------------------
-x^2 +23x - 14

15. 28x^2 - 29^x + 6
-----------------------------
- 28x^2 + 50x - 12

2006-10-28 22:46:16 · 6 answers · asked by pmgstudios 1 in Mathematics

have you ever heard of rice wine?
i was just wondering how the rice can ferment.
fermentation converts a sugar into an alcohol.. or an acid..
is there a natural sugar present in rice?
or is it the starch in the rice that gets fermented.

2006-10-28 22:46:11 · 2 answers · asked by Anonymous in Chemistry

2006-10-28 22:43:11 · 10 answers · asked by iluvu 1 in Zoology

One day Harry and I set our watches together. None of us was aware that my watch was getting faster by 2 min per hour and Harry’s watch was getting slower by 1 min per hour. After sometime, we discovered that my watch was 1 hr ahead of Harry’s watch. Can you find out after how long we noticed this ?

2006-10-28 22:37:54 · 8 answers · asked by ramya b 1 in Mathematics

am i living an hour in the future to everyone else!!

2006-10-28 22:35:36 · 16 answers · asked by Anonymous in Physics

If you were able to enter a blackhole in a spacesuit would you be able to see the back of your head while looking forward because a blackhole bends light?

2006-10-28 22:33:48 · 10 answers · asked by Tropicalboy 3 in Physics

2006-10-28 22:33:05 · 15 answers · asked by missy 1 in Medicine

2006-10-28 22:30:31 · 8 answers · asked by Anonymous in Weather

( ^ = the power of )

8. Multiply: (3x + 3y)^2 (2x + 3y)

9. Divide: (2x^3 - x^2 + 3x -1) ÷ (x + 2)

10.Multiply: (2s + 5z)^2 (s + 3z)^2

For questions 11-13, factor the algebraic expressions completely.

11. 6x^2 - 28x + 16

12. x^4 + 2x^3 - 3x - 6

13. x^8 - 1

For questions 16-20, classify the given numbers as real and rational, real and irrational, or complex.

16. v*16 (root of 16)

17. -7i

18. 1/9

19. π (pie)

20. i^2

2006-10-28 22:25:47 · 14 answers · asked by pmgstudios 1 in Mathematics

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