40.  There are different kinds of income discussed in the book. Which one of the following does not belong.

20.  The place where an organism lives is best described as its ________.

Most energy comes from _______ when a person is doing short, intense exercise.

24.  A _____________ is essentially unlimited.

31.  The intensity or loudness of sound is measured by:

16. The impact on the land, air, and sea from consumption of goods and resources is known as the _______________.

19.  The five countries with the highest carbon dioxide emissions include all of the following except:

18.  In the United States, the recycling rate has _________during the last 15 years according to the book. 

48.  The 5S Management Concept is derived from five ___________ words which when loosely translated into English become five words beginning with the letter “S.”

Which provides the least calories?