The raven progressive matrices is considered to be a culture-fair test. yet, it has been criticized since it discriminates against:

Yet, it has been criticized since it discriminates against:

individuals with lower educational levels

Quick information:

Raven Progressive Matrices contains no verbal questions. It is a part of the Culture-fair tests that measures the intelligence and is a test that aims to avoid cultural bias.

c. taught scientists many new things about the earth, but not other planets.

explanation:

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.