Author Question: Shrub vegetation refers to A) low shrubs and grasses with some adaptations to semiarid ... (Read 87 times)

cartlidgeashley

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Shrub vegetation refers to
 
  A) low shrubs and grasses with some adaptations to semiarid conditions.
  B) woody plants with small, leathery evergreen leaves.
  C) drought resistant.
  D) a plant that survives seasonally unfavorable conditions underground.

Question 2

Of the following greenhouse gases, which have actually decreased in atmospheric concentrations during the past 30 years?
 
  A) Chlorofluorocarbons (CFCs) B) Nitrous oxides (N2O)
  C) Methane (CH4 ) and carbon dioxide (CO2 ) D) HFCs



bubulittle310@msn.cn

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Answer to Question 1

A

Answer to Question 2

A



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