chemestry C
how many moles of aluminum oxide can be produce from 12.8 moles of oxigen gas reacting with execess aluminum
Science
What determines the color of obkects that emit light and what determines the color of objects that do not? I wrote that color of objects that emit light is determined by the wavelenghts of light waves that they emit.Then I wrote that if an object does not emit light, then it d...
Science
This is for my science hw:Sound in an empty room can be very loud, with many echoes. Describe three ways to make the room quieter. The thing is that I looked online, asked my friends for help, and everything but no avail! This has to have a scientific explanation, I assume, an...
biology
The causes of cancer may include which of the following? A. environmental influences B. UV radiation C. viruses D. all of the above
biology
One advantage of electron microscopes over light microscopes is their _____. A. size B. higher magnification C. two-dimensional image D. use of live specimens
Science
Does intensity increase as amplitude increases? (in reference to SOUND WAVES) Or does it decrease? I'm so confused now. I wrote that loudness, energy and intensity inreases as amplitude increases. Am I right? thank you.
geography
why is Marcellus Shale important?
geography
what is the marcellus shale ? tell me in your own words.
chemistry 11
for total mass
chemistry 11
i don't really understand could you do it again pls and thanks. it was 199.5 my bad
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