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Author Question: Peroxyacetyl nitrates (PANs) in the lower troposphere A) are principally related to sulfur ... (Read 66 times)

jon_i

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on: Jul 14, 2018
Peroxyacetyl nitrates (PANs) in the lower troposphere
 
  A) are principally related to sulfur dioxides.
  B) are formed by particulates such as dust, dirt, soot, and ash.
  C) damages and kills plant tissue but does not appear to affect people.
  D) are emitted from the tail pipes of automobiles; i.e., it comes directly from automobile exhaust.

Question 2

Which of the following is now an erosional feature formed by an alpine glacier?
 
  A) cirque
  B) horn
  C) drumlin
  D) col


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maaaaaaaaaa

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Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

C


jon_i

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Reply 2 on: Jul 14, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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