The image shows an insulating strip being added to windows in a home. Insulation strips help to solve one part of a complex problem. Insulation
lowers the need for air conditioning in summer and heating in winter.
However, it can also contribute to poor ventilation.
Which problem are insulation strips most likely helping to solve?
A. Public health issues
B. Community aesthetics
C. Environmental impact of generating electricity
D. Reliability of power supply