joy's room recieve the afternoon sun.The room temperature was 30°C.He turned on the air.After a few minutes, it reconded 20°C.What was the change in temperature?
a.10°C
b.20°C
c.30°C
d.40°C
a.10°C
b.20°C
c.30°C
d.40°C
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Answer:
A
Step-by-step explanation:
10 because the temperature was 30 but it lowered down to 20 by 10 °C It means the room is now colder