What is true about warm air? a, it contracts and rises.
b, it expands and rises.
c, it contracts and sinks.
d, it expands and sinks.

pls give the right answer ok.

Is it good to listen to rap all of the time or should i try listening to more music?

Leon and sara are arguing over when the best time is to degrease soup. leon says that it's easiest to degrease soup when it's boiling. sara says it's easiest to degrease soup when it's cold. who is correct? a. neither leon nor sara is correct. b. leon is correct. c. both leon and sara are correct. d. sara is correct. student b   incorrect which correct answer?

Reflects the pros and cons of continuous software updating?