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OA #2 Measuring Air and Water Quality
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What is air made of? (chemical composition)
N-78%, O - 21%, 1% other(CO2, hydrogen, neon, argon)
List 3 effects of climate change on the planet.
Explain the Enhanced greenhouse effect.
How do CFC's damage the ozone layer?
CFC break down, Cl reacts with O3 to form 02 and ClO
What are two major air pollutants?
sulfur dioxide, nitrogen oxides, carbon monoxide, carbon dioxide
Does the greenhouse effect occur naturally?
Yes
How does acid rain form?
How does acid shock occur?
List 2 heavy metals.
mercury, lead, copper, zinc, cadmium, nickel
Chemical A has a LD50 of 56 mg/kg, while chemical B has LD50 if 84 mg/kg. Which has a higher toxicity?
Chemical A
How do we use microbiological indicators to determine if water is safe or dangerous to drink?
Non-living things
Abiotic
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