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1. what's the relationship of temperature to the speed of sound?

A. equal
B.no relationship
C. directly proportional
D. inversely proportional

2.Sound travel Faster through warm materials than cold materials because_______

A. warm particles move slowly
B. warm particles are moving quickly
C. gas particles are packed tightly
D. sound does not travel faster through a warm substance

3. Ships use echolocation to measure the _______.

A.size of fish
B. area of ocean
C. depth of water
D. density of water

​pa help po bukas na pasahan