Science & Mathematics - 9 February 2007

chemical appendix

2007-02-09 02:48:20 · 4 answers · asked by MAjd A 1 in Chemistry

2007-02-09 02:47:35 · 5 answers · asked by Anonymous in Physics

two organisms of the same species differ in only a single trait. they are crossbred to analyze how the trait will be distributed.what is this procedure called?
a. completeness cross
b. dihedral cross
c. monohybrid cross
d. selection cross

which of the following is the correct term for the process by which an advantageous genetic mutation spreads throughout a species??
a. dominance
b. genetic drift
c. monohybrid crossing
d. natural selection



Plants capture energy from sunlight using properties of chlorophyII and other light-absorbing pigments. explain why chlorophyII makes plants leaves appear green.

at least 3 sentences for this one......

one of the simplest types of animal is the sponge. the sponge has a multicellular structure and specialized cells for digestion, water circulation, reproduction, and external covering. which of the following does the sponge lack?
a. sperm and eggs
b. tissues and organs
c. a supporting skeleton

2007-02-09 02:46:41 · 5 answers · asked by shannon2rocks 1 in Biology

I know they are numbers that cannot be expressed as a ratio but there is often an underlying pattern to them, ie gregories series which adds up to pi. What I was wondering is, is there a pattern to all irrational numbers or not.

2007-02-09 02:44:55 · 10 answers · asked by Anonymous in Mathematics

2007-02-09 02:42:21 · 1 answers · asked by Anonymous in Zoology

I have read that astronauts use the diapers that everone has heard about only on take off and landing becuase these are crucial times that the astronauts can't aford to be away from their important duties in taking off and landing the spacecraft....

Well, takeoff and landing does not take that long.....can't they just "hold it" if neccesary???

2007-02-09 02:40:45 · 5 answers · asked by intruudir 1 in Astronomy & Space

i have a report on it and its due on the 20th

2007-02-09 02:38:56 · 4 answers · asked by Tiffany 2 in Zoology

2007-02-09 02:37:33 · 7 answers · asked by J R 1 in Mathematics

What organizations sponsor training and certification like the
A.W.W.A.

2007-02-09 02:33:54 · 1 answers · asked by Anonymous in Engineering

2007-02-09 02:33:32 · 11 answers · asked by Buck Flair 4 in Astronomy & Space

2007-02-09 02:32:50 · 1 answers · asked by goring 6 in Astronomy & Space

A man is employed to count Rs 10710 He counts at the rate of Rs 180/ minute for half an hour After this he counts at the rate of Rs 3 less every minute than the preceding minute Find the time taken by him to count the entire amount

2007-02-09 02:31:29 · 15 answers · asked by Anonymous in Mathematics

Would using one plant as a fertilizer give the other same attributes? If not would it be possible to take a grass like plant and breed it with an edible plant? Like lettus or potatoes?

2007-02-09 02:29:15 · 4 answers · asked by Rob 1 in Botany

2007-02-09 02:27:49 · 1 answers · asked by ellejare 3 in Mathematics

And if so, what does this mean?

2007-02-09 02:27:48 · 4 answers · asked by Eleventy 6 in Astronomy & Space

Do you think we will contact other life in the universe in our lifetime?

2007-02-09 02:27:01 · 13 answers · asked by little_miss_mystical 2 in Astronomy & Space

8. Which of the following is one way to prevent the corrosion of iron?


A. Protect the iron from polluted air.
B. Add carbon to the iron.
C. Let the iron develop a natural coat of carbonate.
D. Paint exposed iron parts with protective paint.

2007-02-09 02:26:25 · 11 answers · asked by tami c 1 in Chemistry

information so that millions of people will not descretate his grave?

2007-02-09 02:26:08 · 3 answers · asked by Anonymous in Chemistry

2007-02-09 02:26:05 · 5 answers · asked by ellejare 3 in Mathematics

Integral of [(e^4x)(sin3x)]dx
How would you solve this?

2007-02-09 02:25:49 · 3 answers · asked by mathukauer 1 in Mathematics

2007-02-09 02:22:46 · 11 answers · asked by Russell 3 in Astronomy & Space

I am opening a take out restaurant in NYC and was told by the salesman that i needed a 3phase 50 amp electrical connection. My electrition made outlets and changed the wiring, but when i got the fryers and grill, there were no plugs. How can i install a plug?

2007-02-09 02:22:45 · 5 answers · asked by RE Investor 1 in Engineering

A man arranges to pay off the debt of Rs 3600 by 40 annnual instalments which form an arithmetic series. When 30 of the instalments are paid, he dies leaving one-third of the debt unpaid, find the value of the first instalment?

2007-02-09 02:22:26 · 3 answers · asked by Anonymous in Mathematics

she was some type of scientist I believe

2007-02-09 02:21:45 · 1 answers · asked by Shaye S 1 in Biology

2007-02-09 02:20:47 · 7 answers · asked by Sarang D 1 in Botany

a liquid substance thought to be some kind of acid has been spilt on the floor
what steps would you take to clean this up?

2007-02-09 02:19:39 · 5 answers · asked by danity0414 2 in Chemistry

like earth quake,tsunami,floud

2007-02-09 02:18:48 · 6 answers · asked by anis k 1 in Earth Sciences & Geology

Use synthetic division to find the function values.
P(x) = x^3 + 7x^2 - 12x - 3; find P(-3), P(-2), and P(1)

Using synthetic division, determine whether the numbers are roots of the polynomials.
-4, 2; P(x)=3x^3 +11x^2 -2x +8


Please explain. Thank you in advance!!

2007-02-09 02:13:27 · 2 answers · asked by Je 1 in Mathematics

2007-02-09 02:12:40 · 8 answers · asked by CLIVE C 3 in Physics

Hi there,

I am coming out with a proposal for a new school situated in the tropics. I have 2 proposal one is using geothermal cooling the other is Ice Thermal Storage. Please give some advice on the pro and cons of both proposals.

Many thanx

2007-02-09 02:12:01 · 2 answers · asked by seechenn 1 in Engineering