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Author Question: The most dangerous poisonous gas(ses) associated with volcanic activity ____. a. is hydrogen ... (Read 71 times)

frankwu

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on: Jul 13, 2018
The most dangerous poisonous gas(ses) associated with volcanic activity ____.
   a. is hydrogen sulfide
   b. are invisible but detectable by smell
   c. must be breathed to cause damage
   d. can weaken buildings by reacting to form sulfuric acid
   e. can mix with moisture to make dangerous aerosols

Question 2

Lava flows ____.
   a. move so slowly that they do not present a danger to either life or property
   b. are often redirected by emergency efforts
   c. can be redirected only with long-term planning and construction
   d. move fast and are a threat to life and property
   e. move slowly enough that they are usually a threat only to property


blfontai

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Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: e

Answer to Question 2

ANSWER: e


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