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RSB [31]
3 years ago
6

In this project, you will research the harm that can be done to your health by environmental factors. Using the resources of you

r school, public library, or the internet with permission, research and write a short paragraph concerning the effects to your health of each of these environmental hazards.
Second hand smoke: _________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Polluted water: ________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Coal dust: ____________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ PCBs: _______________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________
Chemistry
1 answer:
umka21 [38]3 years ago
3 0
Wooahhhh pollution can affect the environment and urself pollited water can affect marine animals and can result them in extinction global warmning melts Antarctica and can cause floodigs and extinction there. This probably wont help but i just free styled lol
Goodluck
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What is frequency? How can sound wave having different frequencies have the same speed​
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Answer:

The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength. ... The more rigid (or less compressible) the medium, the faster the speed of sound

Explanation:

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3 years ago
i have an unknown volume of gas at a pressure of 0.50 atm a temperature of 325 k. If i raise the pressure to 1.2 atm, decrease t
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Assuming that the number of mols are constant for both conditions:
\frac{P_1V_1}{T_1} =  \frac{P_2V_2}{T_2}
Now you plug in the given values. V_1 is the unknown. 
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Separate V_1
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There are 2 sig figs

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