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Science & Mathematics - 10 August 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

a metal with a yellow color?
a synthetic element used in smoke detectors?
a very rare alkali metal. it is radioactive?

2006-08-10 17:26:00 · 6 answers · asked by js_batres 2 in Chemistry

a.90% b.70% c.94% d.84%

2006-08-10 17:23:47 · 5 answers · asked by guitarkhongday 1 in Mathematics

2006-08-10 17:16:42 · 6 answers · asked by The Knowledge Server 1 in Other - Science

2006-08-10 17:11:40 · 11 answers · asked by saru 1 in Engineering

i know it happens in areas where its open fields or where their isnt alot of high buildings, i also live in toronto so is it even possible for a tornado to happen? And has a tornado happened in a large city before?

2006-08-10 16:58:24 · 23 answers · asked by royg3n 2 in Weather

Why are rings put into the nose of a bull (male cow)?

2006-08-10 16:51:47 · 13 answers · asked by gedanini3@yahoo.com 2 in Botany

2006-08-10 16:50:20 · 17 answers · asked by Animesh 1 in Earth Sciences & Geology

2006-08-10 16:49:44 · 11 answers · asked by Duke 2 in Astronomy & Space

I love explaining that one to the mathematically declined, but see who can whip out a quick proof, and whip out nothing else mind you!!!

2006-08-10 16:49:38 · 15 answers · asked by Anonymous in Mathematics

2006-08-10 16:48:27 · 4 answers · asked by AmplePressure 2 in Geography

Thanks guys.

2006-08-10 16:44:25 · 2 answers · asked by Have a nice day 1 in Other - Science

I am soo lost. Please help. Thanks guys.

2006-08-10 16:43:24 · 7 answers · asked by Have a nice day 1 in Chemistry

2006-08-10 16:40:04 · 12 answers · asked by nisha_stonecold 1 in Geography

I recently heard on a radio show that the light from some super nova was supposed to become visible to the un-aided eye some time this year. Radio astronomers know of the supernova from some x-ray or other signals, but the light will only just be reaching us.

2006-08-10 16:32:46 · 6 answers · asked by Douglas S 3 in Astronomy & Space

An akaline earth metals which burns with a red?

A metalloid predicted to exist by Mendeleev?

The nonmetals that make up graphite in your pencil?

the noble gas that makes up 1% of the atmosphore?

thanks for the help =)

2006-08-10 16:31:16 · 2 answers · asked by js_batres 2 in Chemistry

2006-08-10 16:25:32 · 9 answers · asked by treehead 4 in Other - Science

My wife is an intelligent person, but she recently watched something on the discovey channel that has caused her to have much distrust in buildings. We live on the 9th floor of the Paul Brown building in St. Louis. The building is 80 years old and as far as I can tell, is as solid as a rock. however, my wife is convinced that the pool on the roof (15 X 15 ft., and only 2 feet deep), is going to cause the roof to cave in! She is seriously convinced the roof is on the verge of collapsing. She has no proof to back this up, just a hunch, basically. I can't seem to assure her that we're safe. Does anyone out there know any information about buildings and their ability to hold weight that might restore my wife's faith????
Thanks

2006-08-10 16:24:15 · 5 answers · asked by treehead 4 in Engineering

it seem like u feel ppl watchin u

2006-08-10 16:19:11 · 6 answers · asked by Fatality 2 in Other - Science

wat would u do

2006-08-10 16:15:42 · 8 answers · asked by Anonymous in Physics

Is there any way, besides relying on taste or sending the product to a lab, to determine the concentrations of methyl and ethyl vanillins in artificial vanilla flavoring? I hear that a quality product can rival real vanilla extract in flavor in baking applications, but I have no way of determining quality, as ingredient lists are not useful; ingredient quantities are not listed.

2006-08-10 16:10:40 · 4 answers · asked by samjrei 2 in Chemistry

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