The reyes family decides to install expensive solar panels to replace their current energy source, which uses fossil fuel. currently, this switch to solar energy comes at a major financial cost. why might the reyes family's decision be considered a wise one in 40 years?

In the coming years, the Reyes family will save money because solar power requires little maintenance and the energy used is free. The power company will also pay you if you produce more energy then you use and let them use it. 
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Iknow what you are working on the correct answer is c

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!