I can alter forms and affect temperatures, my presence felt in many homes. What am I?
Category: Science · Difficulty: medium
Hint: Consider what keeps food fresh.
Answer
Refrigerant
Explanation
Refrigerants are used in cooling systems, while coolants manage temperatures, insulation minimizes heat loss, and ovens generate heat.
This is a medium science riddle — a moderate challenge for most people. The answer is Refrigerant.
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