After a fire, the ashes have less mass and take up less space than the trees and vegetation before the fire. How can this be explained in terms of the Law of Conservation of Mass?

2006-09-19 15:38:28 · 10 answers · asked by Anonymous in Chemistry

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Aren't female astronauts afraid to get raped?

Especially by one of those men whose been on the ship for months and months? I'm sure they're horny.

2006-09-19 15:37:51 · 24 answers · asked by Buzz Lightyear 1 in Astronomy & Space

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a ball is thrown upward from an 80 ft. tower with an initial vertial speed of 40 ft/s.?

Calculate the ball's speed just before it reaches the ground.
Thanks in advance!!!!

2006-09-19 15:37:06 · 1 answers · asked by turtle5652 1 in Physics

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what allows you to see what is written on a piece of paper?

2006-09-19 15:36:01 · 9 answers · asked by Anonymous in Physics

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what makes up from 0 to 4 percent of the atmosphere?

2006-09-19 15:34:02 · 7 answers · asked by Anonymous in Earth Sciences & Geology

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solving systems by substitution?

1. y=x^2
y=1/2x+5
2. y=4/x
y=x-3
3. y=root x
y=x-6
4. y=|x|
y=x+2
5. y=|x|
y=1/2x+4

2006-09-19 15:33:49 · 3 answers · asked by m 1 in Mathematics

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Who is in space right now?

I know that there are 12 people in space, but who are they? How many men and women?

2006-09-19 15:28:39 · 7 answers · asked by Anonymous in Astronomy & Space

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where is the layer of the atmosphere where weather clouds and smog occur?

the answer is either air pressure, inosphere, nitrogen, oxygen, smog, stratosphere, exosphere, or troposphere

2006-09-19 15:28:33 · 3 answers · asked by Anonymous in Earth Sciences & Geology

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Do you know if the ISS is capable of docking two shuttles at the same time?

In the case where a second shuttle is needed to ferry the Atlantis crew home?

2006-09-19 15:24:02 · 5 answers · asked by powhound 7 in Astronomy & Space

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What is measurement of a fathom??

WHAT IS USED TO MEASURE A FATHOM

2006-09-19 15:20:25 · 6 answers · asked by Anonymous in Physics

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a change in pH can change the shape of a protein. How will a change in pH affect the function of an enzime?

such as hexokinase?

2006-09-19 15:11:55 · 12 answers · asked by spooteyman2 1 in Biology

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What are the 7 natural wonders of the world?

2006-09-19 15:11:23 · 10 answers · asked by Anonymous in Earth Sciences & Geology

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Calculus- Domain and Range of Natural Log?

Let f(x) = ln x for all x>0, and let g(x) = x^2-4 for all real x.
Let H be the composition of f with g, that is H(x)= f(g(x)).
Let K be the composition of g withf, that is K(x)= g(f(x)).

A.) Find the domain of H.
B.) Find the range of H.
C.) Find the domain of K.
D.) Find the range of K.
E.) Find H'(7).

Any help/pointers you can give me will be much appreciated, I've been working on this one for a while for the past few nights and cant make anything of it mainly because of the ln that they threw in there.

2006-09-19 15:08:08 · 4 answers · asked by Morph 1 in Mathematics

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