Which of the following is an example of an autotroph (producer)?
a. fungus
b. plants
c. minerals
d. mammals
B
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To a business manager, the utility of a potential supermarket location will most likely be based on
A) prestige, convenience and feelings of community happiness. B) projected costs and revenues. C) environmental characteristics. D) distance from sources of food and household goods. E) its population characteristics.
The greatest challenge to world food supply has been
A) drought. B) global warming. C) military conflict. D) food prices. E) limited labor.
Carbon dioxide (CO2 ) is the most abundant natural greenhouse gas
Indicate whether the statement is true or false
Class I MHC molecules do which if the following?
A) pick up dead antigens B) seek out antigen molecules that have been synthesized inside a virus infected cell C) both a and b D) neither a nor b