A(n) ________ is a homogeneous volume of air defined based on its ...

[Haya94]

A(n) ________ is a homogeneous volume of air defined based on its temperature, and moisture characteristics.
 
  A) cloud B) parcel C) front D) cyclone E) air mass

Question 2

Lichen are made up of algae and fungi living together. In this relationship, the alga is the produce and food source for the fungus and the fungus provides structure and physical support for the alga.
 
  This is an example of which symbiotic relationship?
  A) parasitism
  B) mutualism
  C) commensalism
  D) amensalism
  E) synnecrosis

[aliotak]

Answer to Question 1

E

Answer to Question 2

B

[Haya94]

Wow, this really help

[Sarahjh]

Gracias!