Although Sioux Falls, South Dakota, and Milwaukee, Wisconsin, are located at nearly the same latitude, Milwaukee's average high temperature for July is four degrees lower than that of Sioux Falls. Which of the following best explains the reason for this difference?a. Milwaukee is located near the Gulf Stream.
b. Sioux Falls is in the path of most midlatitude cyclones.
c. Sioux Falls is located in the rain shadow of the Rocky Mountains.
d. Lake Michigan has a moderating effect on Milwaukee's temperatures.

D. Lake Michigan has a moderating effect on Milwaukee's temperatures.

Explanation: Milwaukee is the fifth largest city in mid Western United States of America,it is located in the State of Wisconsin.

Lake Michigan has a great Impact on the Temperature of Milwaukee as it helps to drop the Temperature up to about 4degrees.

Milwaukee is located along the shores of lake Michigan, which has helped to calm down Milwaukee's Temperatures.Lake Michigan does this by attracting most of the impact of the sun and releasing water Vapor through evaporation to the Atmosphere,this will in turn help to reduce the climatic Temperature around Milwaukee.

a is the answer i believe.