Science & Mathematics - 27 September 2007

2007-09-27 10:42:38 · 1 answers · asked by Anonymous in Biology

Simple Question.
Id like to know your sources for your information too.
:]
Please and thankyou.

2007-09-27 10:39:14 · 3 answers · asked by Emizzle 2 in Chemistry

....

2007-09-27 10:38:03 · 3 answers · asked by Anonymous in Chemistry

a) mushrooms
b)algae
c) bryophytes
d) tracheophytes

2007-09-27 10:37:54 · 1 answers · asked by lol 1 in Biology

Statement to prove:
every integer n > 1 is capable of being expressed as a finite product of prime numbers. That product is unique except for reorderings of factors.

I need help in the process of proving such a statement

2007-09-27 10:33:39 · 2 answers · asked by jay d 1 in Mathematics

make their eyes glow?

2007-09-27 10:32:53 · 3 answers · asked by Anonymous in Biology

Question:

At the end of a semester, students' math grades are listed in a table which gives each student's ID number in the left column and the student's grade in the right column. Let N represent the ID number and G represent the grade. Which quantity, N or G, must necessarily be a function of the other?

2007-09-27 10:30:31 · 8 answers · asked by Ace 2 in Mathematics

I've began taking a very keen interest in UFOS, the planets in our solar system, the moon, the possibility of life on other planets, and astronomy in general, but I have no idea where to start!

I'd love to invest in some equipment, most notibly a telescope but again I wouldnt know where to start, and what capabilities one would have - For instance would I be able to see any of the planets in our solar system, and how detailed would the moon apear?

Any tips in general?

Im only 17 so my 'budget' isn't too large. I could probably stretch to just over £200.

2007-09-27 10:30:05 · 11 answers · asked by Anonymous in Astronomy & Space

for carbon monoxide and amino group? i have no clue what 'amino group' means. sooo ya.
plz help?

2007-09-27 10:18:48 · 7 answers · asked by lsjfl;ajfoiweajfmsdfjkj =D 1 in Chemistry

1) Is the following sentence true or false? A gas absorbs energy as it changes to a liquid.

2) For the process boiling and evaporation, what is the phase change, where it occurs, and the temperature.
Thank you all!

2007-09-27 10:15:35 · 3 answers · asked by lover2 1 in Chemistry

I am doing a report on comets for my eighth grade science class and I was wondering when the next cometr will come. It can be any one. Whoever has the right answer first will be awarded best answer. Thank you very much, I would greatly appreciate the information.

2007-09-27 10:06:22 · 6 answers · asked by Anonymous in Astronomy & Space

so, where are names -ie: mercury, earth, venus--etc not dpk10003?

2007-09-27 10:05:06 · 4 answers · asked by Anonymous in Astronomy & Space

2007-09-27 10:04:58 · 3 answers · asked by higherlovetx 5 in Astronomy & Space

they are dry mixtures that is all stirred up, now i have to find a way to not necessarily separate them, but to find the masses of each of them.

2007-09-27 10:02:25 · 3 answers · asked by Anonymous in Chemistry

Can you explain how you get the asnwer to the square root of 320? The answer is 8√5 , but I do not know how they got to it. Please explain!

2007-09-27 09:59:18 · 6 answers · asked by Nicholas L 1 in Mathematics

y = -14/(x - 4)


HURRY PLEASE

2007-09-27 09:59:01 · 2 answers · asked by Anonymous in Mathematics

2007-09-27 09:57:12 · 4 answers · asked by Lambi L 1 in Physics

What volume of 0.150 M Na3PO4 is required to precipitate all the lead(II) ions from 140.0 mL of 0.300 M Pb(NO3)2?

2007-09-27 09:55:05 · 2 answers · asked by s.weiss 1 in Chemistry

Given the vectors u=(0, -2, 1) and v=(1, 0, 3), find the vector perpendicular to both u and v

2007-09-27 09:54:57 · 3 answers · asked by cooltee13 1 in Mathematics

Use the Euclidean algroithm ot compute the greatest common divisor of 10032 and 6800.

2007-09-27 09:54:52 · 2 answers · asked by Michelle R 1 in Mathematics

How do you solve a system of linear equations by graphing?

2007-09-27 09:54:27 · 4 answers · asked by DoWHATiDO 3 in Mathematics

ok theres 2 parts to this questionok heres part 1-you car gets 20 miles per gallon and the trip is 800 miles one way. if gas cost $1.95 per gallon, how much will gas cost for the trip there and back?

part 2- how long will the journey to your relatives home take if you travel 60 mph and stops total 1 hour?

2007-09-27 09:53:41 · 9 answers · asked by Anonymous in Mathematics

2007-09-27 09:53:30 · 10 answers · asked by Alfredo r 1 in Zoology

I'm writing a novel where the characters go to a school on "Atlantic Coast Islands", a made-up island. However, what I want to know is how long it takes an island to develop.

2007-09-27 09:51:04 · 3 answers · asked by animechan_1 2 in Geography

I was watching a show I taped and it had a segment on it about that story. I 'Googled' it and found other pictures, including a strange beast that seemed to use the hind legs mostly for running-not at all similiar to the dog-type thing she found. How many types of animals only suck blood?

2007-09-27 09:50:54 · 3 answers · asked by strpenta 7 in Zoology

Solve the following system of linear equations by the Addition Method.

2(x - 1) = 17 + 3y
-4x -7 = 3y


a. Outline the steps for solving a 2x2 system by the Additions Rule
b. Solve. Which variable did you choose to eliminate? What is the solution?

2007-09-27 09:49:03 · 5 answers · asked by DoWHATiDO 3 in Mathematics

A ski jumper travels down a slope and leaves the ski track moving in the horizontal direction with a speed of 30 m/s. The landing incline falls off with a slope of 28º.
a. How long is the ski jumper air borne?
b. Where does the ski jumper land on the incline?

2007-09-27 09:48:50 · 1 answers · asked by sciguy 1 in Physics

When comparing the daily requirements for vitamins and minerals across all life-stage groups, it can be said that...

A. infants require more vitamin C than children.
B. lactating women require more folate than pregnant women.
C. more iron is required by teenage males compared with teenage females.
D. as age goes up, so does the phosphorus requirement

2007-09-27 09:48:14 · 3 answers · asked by crismarie 4 in Medicine

A man with a long history of increased blood cholesterol levels has to have part of his carotid artery removed because a blockage has developed there. If the carotid bodies are removed during this procedure, which of the following is most likely to occur?

A. The respiratory center will become less sensitive to depressants.
B. The lungs will overinflate and potentially explode.
C. The diaphragm will lose some of its ability to generate negative pressure.
D. The respiratory rate may not increase as effectively in response to low levels of oxygen.

2007-09-27 09:45:28 · 2 answers · asked by crismarie 4 in Medicine

1. is it natural whole an intiger rational or irrational
2. and wat are its divisors

Please help these are 2 things I really need help on so please take it serious

2007-09-27 09:45:05 · 2 answers · asked by sam c 2 in Mathematics