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5 Written questions

5 Matching questions

  1. Element
  2. ozone
  3. Heat
  4. Spring tides
  5. Sewage
  1. a A mineral may be composed of more than one _______
  2. b human waste and household materials that go into drains
  3. c surface currents distribute ____ from equatorial regions to other areas of Earth
  4. d sunlight reacts with waste gases to form
  5. e the highest tides

5 Multiple choice questions

  1. a variable that can change in an experiment
  2. One cause of air pollution is _________
  3. In the US, ____ are responsible for much of the makeup of smog
  4. pollution that enters a body of water from a large area
  5. variables that do not change in an experiment

5 True/False questions

  1. Density Currentwhen more dense seawater sinks under less dense seawater, this forms

          

  2. cholorflurocarbonsdiplomats from around the world have focused on eliminating the use of __________________

          

  3. Water Quality Agreementswhen more dense seawater sinks under less dense seawater, this forms

          

  4. Hypothesisan educated guess that can be tested

          

  5. Gravitational ForcesTides are essentially the results of ___________ ______