If a parcel starts with a temperature of 20 °C and is lifted 1 km into the air, the parcel is stable if ______.
A) the parcel is dry and the environment temperature at 1 km is 11 °C
B) the parcel contains a cloud and the environment temperature at 1 km is 11 °C
C) the parcel is dry and the environment temperature at 1 km is 9 °C
D) the parcel contains a cloud and the environment temperature at 1 km is 9 °C
Ans: A) the parcel is dry and the environment temperature at 1 km is 11 °C
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