Scales use to find the distance between two locations.

a. area and perimeter
c. the quadratic equation
b. proportional measurement
d. exact distance

I am pretty sure its A but let someone else answer as well

D. Or b. I don't know for sure sorry :(

Humid continental climate is found in the interior of continents between the 30 and 60 degrees latitude, but usually above the 40 degree line.   40 degrees north of the equator means less direct sunlight and therefore less warmth.   this climate is mainly found in the northern hemisphere since there are no major landmasses in the southern hemisphere.  if you live in northern indiana, you know all about humid continental because that is the climate type you have!