science def.
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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ozone layer | layer of ozone O3 in the atmosphere 15-50 km above earth's surface to protect from uv rays
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monitoring | keep track of something
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invertebrates | animals without backbones
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parts per million | ppm 0.001=1000000
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spring acid shock | sudden drop of ph
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toxic | poisonous
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toxicity | how poisonous a substance is
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toxins | poison
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ld 50 | lethal dose 50
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heavy metals | 6 poisonous metals copper zinc lead etc.
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sulfur dioxide | forms when sulfur combines with oxygen in the air
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nitrogen oxides | a major air pollutant
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global warming | breaking down of the ozone layer
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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:
lolfreakmaster
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