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Author Question: Which of the following caused devastating effects on the marine food chain and was banned in the ... (Read 77 times)

abc

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  • Posts: 543
on: Aug 22, 2018
Which of the following caused devastating effects on the marine food chain and was banned in the United States in 1972?
 
  A) DDT
  B) Methyl mercury
  C) PCBs
  D) Polycyclic aromatic hydrocarbons
  E) Sewage sludge

Question 2

Which of the following kingdoms includes species that live with cyanobacteria or green algae to form lichen?
 
  A) Archaebacteria
  B) Eubacteria
  C) Fungi
  D) Plantae
  E) Protista


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lorealeza

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Reply #1 on: Aug 22, 2018
Answer to Question 1

A

Answer to Question 2

C


abc

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  • Posts: 543
Reply 2 on: Aug 22, 2018
Gracias!

deja

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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