test results

1) Fossil fuels are derived from which of the following sources?

A: organic matter trapped in sedimentary rock
B: nonorganic matter trapped in metamorphic rock
C: organic matter trapped in igneous rock
D: organic matter on the crust's surface

2)Coal, a common fossil fuel, is formed from which of the following types of organic matter?

A: freshwater algae
B: bodies of dead animals
C: marine organisms
D: tree trunks, leaves, and freshwater plants

3) Oil and gas are mainly derived from which of the following sources?

A: trees and larger plants
B: phytoplanktonic material found in marine basins
C: freshwater algae
D: dead animals 4) Why do fossil fuels generate more power than wood for use in machines, for example? A: Fossil fuels have a higher concentration of carbon and hydrogen B: Fossil fuels are drier C: Fossil fuels are easier to light D: Fossil fuels are easier to transport 5)The quality of coal, called its rank, is a measure of which of the following characteristics? A: amount of carbon in the coal B: amount of oxygen in the coal C: how black it is D: how hard it is

6) The greatest concentration of oil is found in which of the regions of the world given below?

A: North America
B: South America
C: the Middle East
D: Europe source: http://www.softschools.com/quizzes/science/fossil_fuels/quiz313.html