Sources of pollution

What effect can tributyltin have on dog whelks?

  • The appearance of a male reproductive organ in females
  • Shell deformation in females
  • The appearance of a coloured mark on the shell of females

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What does the term Seveso designate?

  • The name of a convention
  • Industrial sites classified as hazardous in Europe
  • The name of a ship

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Which of the following is the most common cause of HNS shipping incidents?

  • Structural damage
  • Fire/explosion
  • Loading/unloading

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What is the bulk solid most frequently spilt and in the greatest quantities for the period 1917-2010?

  • Rock phosphate
  • Potassium hydroxide
  • Iron ore

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How is a product that sinks classified according to the SEBC code?

  • S
  • F
  • G

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