2 a) Which of the following statements is true? i) Sound is produced in a vibrating environment. ii) Sound can easily propagate in a vacuum. iii) You can talk to your friend on the Moon. iv) Sound is propagated in the air by successive compressions and thinning of the air. V) Too much noise can damage the ears. b) For any statement that is not correct, say what is wrong. Rewrite the statement correctly. 3)Native Americans could hear horses approaching by bringing their ears to the ground. Explain why?
Answers: 1
Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
Answers: 2
Physics, 23.06.2019 01:00
When solid surfaces slide over each other the kind of friction that occurs is called friction
Answers: 2
Physics, 23.06.2019 03:30
First to answer will be the brainliest i need the answer asap
Answers: 1
Physics, 23.06.2019 04:00
A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature
Answers: 1
2 a) Which of the following statements is true? i) Sound is produced in a vibrating environment. ii)...
Biology, 08.12.2020 18:30
Mathematics, 08.12.2020 18:30
Mathematics, 08.12.2020 18:30
Mathematics, 08.12.2020 18:30
Geography, 08.12.2020 18:30
Biology, 08.12.2020 18:30
Mathematics, 08.12.2020 18:30
English, 08.12.2020 18:30
Mathematics, 08.12.2020 18:30
History, 08.12.2020 18:30