A lake is polluted The fish in it die The algae make unpleasant odors It may be said that__________________?
		A.	the ecosystem is disturbed
B.	biological capital is lost
C.	the environment is degraded
D.	all of the above
		A.	the ecosystem is disturbed
B.	biological capital is lost
C.	the environment is degraded
D.	all of the above
		A.	initially increase and then decrease
B.	decrease continuously
C.	rise continuously
D.	initially decrease and then increase
		A.	the ultimate source of social control
B.	institutionalized social control
C.	a way of insuring absolute freedom for citizens
D.	BOTH ultimate and institutionalized social control
		A.	usually do not worry about it
B.	tend to suffer more frustration and dissatisfaction than those whose status is consistent
C.	work hard to accumulate wealth to make up for it
D.	willingly accept a lower status in return for social recognition
		A.	are the most difficult
B.	require the most adjustment
C.	offer the most satisfaction
D.	all of the above
		A.	the family
B.	the military
C.	ones in-group
D.	society
		A.	property was the only determinant of class
B.	class was based on exploitation of the masses
C.	class is closely related to life chances
D.	societies should have at least three classes