What is the most common form of biomass?

What is the most common form of biomass?
 
  A) coal
  B) petroleum
  C) wood
  D) manure

Question 2

The lily bulb is soft and dormant and must be handled carefully so it is not bruised, nor should it be allowed to dry out.
 
  Indicate whether the statement is true or false

Question 3

A good source of material to make biodiesel is _____.
 
  A) rotten vegetables
  B) old frying oil
  C) used engine oil
  D) dead animals

Question 4

If the pH value is below 6.0, ground seashells should be added.
 
  Indicate whether the statement is true or false

Question 5

The United States has declared that _____ is the required fuel offered at fueling stations.
 
  A) E10
  B) E85
  C) gasoline
  D) biodiesel