Chapter 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When harmful substances build up in the air to unhealthy levels what is the result? | air pollution
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| Where does most pollution come from? | Human activities
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| What are some natural pollutants? | volcanos, dust, pollen, and spores
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| What pollutant is put directly into the air by human activity? | primary pollutant
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| What is it called when a primary pollutant comes into contact with other primary pollutants or with naturally occurring substances and a chemical reaction takes place? | secondary pollutant
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| When air pollution hangs over urban areas and reduces visibility what is it called? | smog
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| When the air above is warmer than the air below it's called? | temperature inversion
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| What are buildings that have very poor air quality and have a conditions called? | sick-building syndrome
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| Several minerals that form in long, thin fibers and that are valued for their strength and resistance to heat are called what? | asbestos
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| What is a colorless, tasteless, and oderless gas called? | radon
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| What unit is sound measured in? | decibels
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| What is precipitation such as rain, sleet, or snow that contains a high concentration of acids called? | acid precipitation
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| What does pH stand for? | power of hydrogen
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| What is the type of measure used to measure of how acidic or basic a substance is? | pH
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| What is the increase in the concentration of acid called? | acidification
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| What is the sudden influx of acidic water that causes a rapid change in the water's pH called? | acid shock
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Kerri.Castaneda
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