What does an echo sounder do?
-allows divers to better hear under water
-uses sound waves to...
Biology, 17.12.2020 02:00 harris435942
What does an echo sounder do?
-allows divers to better hear under water
-uses sound waves to map the ocean floor
-documents sound at the deepest region of the ocean
-eliminates all echoes when divers are communicating underwater
Answers: 1
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Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
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