A temperature inversion can adversely affect air quality and is ...

[jace]

A temperature inversion can adversely affect air quality and is characterized by ________.
 
  A) a layer of warm air forming above colder air
  B) a layer of warm air forming above the stratosphere
  C) a layer of cold air forming above warmer air
  D) inverted air masses with particulates held at altitude
  E) air masses in which primary and secondary air pollutants are inverted

Question 2

Why are sedimentary rocks important?
 
  What will be an ideal response?

[Cnarkel]

Answer to Question 1

A

Answer to Question 2

Sedimentary rocks make up about 75 percent of the Earth's outcrops. It is from these rocks that geologists determine much of Earth's historyfrom depositional environments, climate, and life. Many sedimentary rocks are also economic. Coal, iron, aluminum, manganese, and fertilizer are all mined from sedimentary deposits.