Human Inpact
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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| What is population density? | A measure of the number of people in a given area
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| Why do landfills have liners? | They help toxic chemicals from seeping into ground water
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| Urban and Suburban Growth Causes what? | Can increase in soil erosion, destroy habitats, lose farmland, and endanger wildlife
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| What are renewable resources...Example | Natural resources that can be replenished over time
Wood, Water, Air
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| What are non-renewable resources.....Example | Natural resources that humans are using up before they can be replenished
Coal, Oil, Natural Gas
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| What is Pollutant? | A substance that makes air, water, or land harmful for life
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| List the three main causes of water pollution? | Chemical runoff from farm fields
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| What is Biodiversity? | The number and variety of different organisms on Earth or within an ecosystem. The greater the biodiversity of an ecosystem, the more easily it may recover.
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| Crop Rotation? | Plant different
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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.
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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:
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