Final answer:
The cause of the five spots on the side of the house could be due to chemical reactions from environmental exposure, paint deterioration, biological growth, or accidental spillage of substances.
Step-by-step explanation:
When it comes to the question of what caused the five spots on the side of the house, there could be many potential explanations. Chemical reactions due to environmental factors such as rainwater mixing with mineral deposits from bricks or siding material, paint deterioration, or even biological growth like mold or algae are all possible causes. Sometimes, hardware fixtures such as rusting nails or lights can leave discolorations or spots on a house's exterior. Other times, accidental spillage or spraying of chemicals, such as herbicides or pesticides, might be the culprit. Without more context, it's hard to determine the exact cause, but these are some common scenarios in which spots might appear on the side of a house.