A scientist wants to test to see if the amount of oxygen in the water affects the oyster population. What would be the independent variable in his experiment? What would be the dependent variable in his experiment? Is the Dependent Variable Qualitative or Quantitative?
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.
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Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
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A scientist wants to test to see if the amount of oxygen in the water affects the oyster population....
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