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Question 19

Toxic substances produced and released into the environment as a result of human activities that have damaging effects on living organisms is known as ______

  • A.waste
  • B.heavy metals
  • C.population
  • D.pollutants
Objective

Question details

Exam body
NDA
Subject
Biology
Year
2016/2017
Question no.
#19
Type
Objective
Previous · Q18In fishes, gaseous exchange occurs in Next · Q20 The study of freshwater habitats and the ecosystem is called_____

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