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Author Question: What is biomagnification? a) increase in biodiversity in a region b) accumulation of toxins in ... (Read 50 times)

NguyenJ

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on: Aug 22, 2018
What is biomagnification?
 
  a) increase in biodiversity in a region
  b) accumulation of toxins in an environment
  c) the enlargement of the territory of specific marine animals
  d) the concentration of toxins and contaminants as they move up the food chain
  e) the increase in size of a specific habitat

Question 2

Why are gas hydrate deposits abundant in submarine continental margins?
 
  a) Organic marine sediments provide natural gas in which pressure is high and temperature is low.
  b) There is plenty of water to form the ice-like compound.
  c) Gas hydrate forms in surface water offshore of continents where it sinks to the ocean bottom.
  d) The ocean contains abundant bacteria, which form the natural gas needed for gas hydrate.
  e) The ocean shields the gas hydrate from warming by the Sun, which would cause it to dissolve.


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chem1s3

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

D

Answer to Question 2

A


NguyenJ

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Reply #2 on: Aug 22, 2018
Both answers were spot on, thank you once again


chem1s3

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Reply #3 on: Aug 22, 2018
Great! Please up vote :D


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