The Midwest's winter precipitation is chiefly attributable to:
a. frontal interaction of contrasting air masses.
b. orographic factors.
c. friction of the air with rough surfaces.
d. sun control of air temperature.
A
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In words, what is the meaning of the coefficient -.001? What does this mean, and how can it be interpreted in the context of the population being studied?
A regression of the number of cases of a particular disease per 1000 people based on the number of people vaccinated against it as children (per 1000) is performed on data collected from 34 cities. The results are summarized below:
Intercept .914
Slope -.001
How many degrees did the globe warm in the 20th century? Why is this amount considered significant?
Which of the following forms at the highest grade of regional metamorphism?
A) hornfels B) schist C) slate D) phyllite
Diasporas
A) occur when people of a homogeneous group are dispersed from their traditional home region. B) occurred frequently during biblical times, but have been rare since. C) have been the most common reason for conversion to Christianity. D) refer solely to the emigration of people from the region of Palestine.