Brazil has five climatic regions--equatorial, tropical, semiarid, highland tropical, and subtropical. Temperatures along the equator are high, averaging above 25°C, but not reaching the summer extremes of up to 40°C in the temperate zones.
<span>A. all traffic traveling in the same direction </span>
Answer:
utility theory
Explanation:
its a theory that looks at individuals preferences.it is a positive theory because it is able to explain the behavior of individuals based on their choices.it is also used as a tool for analyzing situations for where an individual must make decision with out knowing the outcomes.
Explanation:
they were fast and reliable.
easily moved from one place to another
and it was cheap
Answer:
c) random assignment.
Explanation:
Random assignment -
It refers to the method used for the experimentation purpose , where in a very haphazard manner the task is distributed to the group of objects , participants , human or animal , is referred to as random assignment .
This enables to have a fair participation of all the subjects .
Hence , from the given information of the question ,
The correct option is c) random assignment .
