Physics, 29.01.2020 07:53, Alphonse8472
Which of these illustrates that sound waves can travel through a liquid? a. voices can be heard as people speak to one another b. whales and porpoises signal each other by making sounds c. astronauts can’t hear each other in space unless they use a radio d. footsteps can be heard through the ceiling as someone walks on the roof
Answers: 3
Physics, 22.06.2019 10:00, amyaacrawford86
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Which of these illustrates that sound waves can travel through a liquid? a. voices can be heard as p...
Mathematics, 01.10.2019 01:30
English, 01.10.2019 01:30
Biology, 01.10.2019 01:30
Mathematics, 01.10.2019 01:30
Mathematics, 01.10.2019 01:30
Mathematics, 01.10.2019 01:30