AP®︎ Environmental Science: Topic 6.3 Practice Test
Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 6.3 of AP Environmental Science – Fuel Types and Uses.
Questions List
Topic 6.3
Question 1 Easy
This question tests the following: ENG-3.C.1
What is biomass primarily composed of?
What You’re Being Tested On:
Explore the learning objectives taken directly from the College Board’s AP® Environmental Science Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.

Topic 6.3: Fuel Types and Uses
Learning Objective: ENG-3.C
Identify types of fuels and their uses.
Essential Knowledge: ENG-3.C.1
Wood is commonly used as fuel in the forms of firewood and charcoal. It is often used in developing countries because it is easily accessible.
Essential Knowledge: ENG-3.C.2
Peat is partially decomposed organic material that can be burned for fuel.
Essential Knowledge: ENG-3.C.3
Three types of coal used for fuel are lignite, bituminous, and anthracite. Heat, pressure, and depth of burial contribute to the development of various coal types and their qualities.
Essential Knowledge: ENG-3.C.4
Natural gas, the cleanest of the fossil fuels, is mostly methane.
Essential Knowledge: ENG-3.C.5
Crude oil can be recovered from tar sands, which are a combination of clay, sand, water, and bitumen.
Essential Knowledge: ENG-3.C.6
Fossil fuels can be made into specific fuel types for specialized uses (e.g., in motor vehicles).
Essential Knowledge: ENG-3.C.7
Cogeneration occurs when a fuel source is used to generate both useful heat and electricity.