Answer: B. differentiation
Explanation:
Explanation:
A warm front is indicated on the line by red semi-circles pointing away from the warmer air and pointing in the direction towards which the warm air is moving. Along sections of the polar front, cold and warm air masses may move differentially with for one another.
Answer:
The null hypothesis is a typical statistical theory which suggests that no statistical relationship and significance exists in a set of given single observed variable, between two sets of observed data and measured phenomena.
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