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2571
Wind speed is measured with
  • A. a maximum-minimum thermometer
  • B. a hygrometer
  • C. a wet and dry bulb hygrometer
  • D. an anemometer
View Answer & Discuss WAEC 2007
2572

The amount of energy passed from one trophic level to the next decreases because

  • A. many organisms are present at the first trophic level
  • B. many organisms occur at the higher trophic level
  • C. more energy is conserved at lower trophic levels
  • D. parts of the organisms remain unutilised at each trophic level
View Answer & Discuss (10) WAEC 2007
2573
Which of these values in kj/m2 likely represents the energy content of the producers in a habitat?
  • A. 5033
  • B. 100
  • C. 12
  • D. 10
View Answer & Discuss (2) WAEC 2007
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2574
The major pollutant around airport residential areas is
  • A. oil spillage
  • B. soot
  • C. noise
  • D. dust
View Answer & Discuss (1) WAEC 2007
2575
The effect of chlorofluorocarbon is
  • A. reduction of oxygen concentration in the atmosphere
  • B. depletion of the ozone layer
  • C. screening of ultra violet rays
  • D. increase in carbon dioxide concentration
View Answer & Discuss WAEC 2007
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