Soilless media are great sources of _____, are light in weight, and are easier to handle and ship. ...

Soilless media are great sources of _____, are light in weight, and are easier to handle and ship.
 
  A) water
  B) air
  C) carbon
  D) sulfur

Question 2

What percentage of American households have at least one companion animal?
 
  A) Only 10 percent
  B) Over 80 percent
  C) Under 50 percent
  D) About 60 percent

Question 3

By placing a 1- to 2-inch layer of coarse gravel in the bottom of the container, you will establish better _____.
 
  A) root development
  B) drainage
  C) growth of the plant
  D) stability of the container

Question 4

When should a garden be watered?
 
  What will be an ideal response?

Question 5

Pet food utilizes surpluses and by-products of the human food industry.
 
  Indicate whether the statement is true or false