In most energy conversions, such as burning coal to produce heat,
A) entropy increases because of heat released in the conversion.
B) entropy decreases because of heat released in the conversion.
C) entropy is unchanged because heat is used to ignite the coal.
D) entropy decreases because heat is used to ignite the coal.
A
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Though Khartoum and Urumqi both have dry BW climates, temperatures are much more variable for Urumqi. Why?
A) Urumqi's rain shadow
B) Urumqi's latitude
C) Khartoum's rain shadow
D) Khartoum's latitude
Within limestone bedrock undergoing dissolution
a. Stalactites/stalagmites b. Caves/stalactites c. Sinkholes/caves d. Stalagmites/stalactites
How does elastic rebound theory explain when earthquakes occur? What will be an ideal response?
Which one of the following is a proper scientific name of an organism?
A) White oak tree B) Eumaeus atala C) Bamboo D) American alligator