Answer:Phase changes require either the addition of heat energy (melting, evaporation, and sublimation) or subtraction of heat energy (condensation and freezing). ... Changing the amount of heat energy usually causes a temperature change.
Explanation:
The answer is b because if you’re fan is blowing and you spend it the opposite way, the air will be cooler
Answer:
Three product with are SO2, H2O and CuSO4
Explanation:
