General and BioChem

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General and BioChem. DNA and RNA. Body Systems. Genetics. Evolution. Cells. Gen/BioChem. DNA/RNA. Body Systems. Genetics. Evolution. Cells. $100. $100. $100. $100. $ 100. $100. $200. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $300. $400. $400. - PowerPoint PPT Presentation

Transcript of General and BioChem

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Spell the teacher’s last name.

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Name one of the five

primary air pollutant that

was discussed

in the chapter?

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CO

NOx

SO2

VOCs

particulates matter

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What is it called when harmful substances end

up in the air at unhealthy levels ?

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Air pollution.

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What is the pH of ‘soda pop rain’?

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In the experiment what did the hefty bag do?

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What part of a house does radon gas seep into?

AtticWindows

Basement cracksUnventilated sunrooms

Air conditioners

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What is happening to the east coast of the U.S. and the

eastern portion of Canada?

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Name one source that releases volatile organic compounds.

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Solvents, paints, glues, dry cleaners, gasoline.

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Where do most particulates come from?

a. Industryb. Agricultural fieldsc. Construction sitesd. Both, b & c

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d. Both, b & c

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What is formed when a primary pollutant combines

with another primary pollutant or water vapor

and oxygen

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Which one is not a secondary pollutant?

Acid rainNitrogen oxide

Ozonesmog

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Nitrogen oxide

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What two words does the word smog come from?

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Smoke and Fog.

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List one thing about cities that have smog.

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Dense Trafficdry sunny areas

surrounded by mountains

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Name a the city that does not have a smog problem.

L.A.Mexico Seattle Denver

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Seattle

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Name one thing on a car that contributes to air

pollution.

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Plastic Seats, air conditioner steel smeltersfilling gascar exhaust

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What is found on the car’s exhaust system that adds O2

to harmful primary pollutants?

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Catalytic Converter

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This device is found on industrial smoke stacks…

what is it called?IncineratorScrubberCatalytic converterunivac filter

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scrubber

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What Act was passed in 1970 that gave the EPA the authority to regulate auto emissions. Lead pollution dropped 78% between 88

and 95

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Name one thing we can do to reduce air

pollution?

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What is this device?

Catalytic converterIncinerators scrubbers univac filters

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How is ground level ozone

formed?

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Sun’s rays removes an oxygen atom that combines with an oxygen molecule toform ozone.

O + O2 O3

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Explain “under normal conditions” how air circulation

removes pollutants from the earth’s surface?

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Warm air rises from the earth’s surface to the cooler air above.

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What is this known as?Acid rainSick building syndromeThermal inversionAsbestos poisoning

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Temperature Inversion

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What is sick-building syndrome?

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Buildings that have poor air quality due

to sealed up windows

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Which building do you think has better air quality?

-Completely sealed building-Windows that can open-A mix of the two above

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Building with windows open

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Where does radon come from?

Break down of radiumBreak down of uranium

Break down of plutonium

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Uranium in the ground

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In buildings asbestos in widely used. Name

one use?

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Floor tiles Residential siding

Heat resistantAround Piper

Reinforce cement.

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What is the figure below?

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acid rain

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   Acid precipitate has a pH of _____.

Above 5.6Below 5.6

Exactly at 5.6

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Acid rain can also cause aluminum to leach out of the

soil that surrounds a lake.

What happens to the fish in the lake?

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Aluminum accumulates on their gills and they can suffocate.

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The northeastern U.S. sometimes gets “soda-pop”

rain. What is its pH?

5.6 to 63.5 to 4

9.5 to 12

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3.5 to 4.0

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What element comes out of the soil by acid rain and is carried into the

lake.

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Aluminum

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What soil would you want surrounding the lake? Need to buffer the lake to neutral-pH 7

Deciduous tree soil

pH 10

Pine tree soil

pH 5

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pH of 10 deciduous tree soil

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What primary pollutant does a car exhaust emit?

Can lead to acid rain?

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NOx

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What is this???

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Thermal inversion acts as a ceiling or a sponge?

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Most acid precipitation in New England results from

pollution produce in the….. Europe

Western Canadamidwest U.S.

southwest U.S.

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Midwestern and eastern U.S

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Name a disorder/disease that is linked to air pollution?

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Emphysema, lung cancerbronchitis

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Smog, ozone and acid rain are all types of ______

pollution.

Primary, secondary or tertiary

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Schools in the U.S. have spent over 40 billion to

remove?

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What is shown in this illustration?

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What secondary pollutant is formed when auto

emissions react with uv rays and oxygen gas?

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Silica-fibers that can cause lung damage

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Asbestos

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