What is the greenhouse effect?
the natural process where the sun's energy is trapped by...
Physics, 07.10.2019 11:30 Santos7446
What is the greenhouse effect?
the natural process where the sun's energy is trapped by the atmosphere to make the earth warm enough for life
a process that is destroying the environment
a process that is melting the polar ice caps
a process that cools the earth so it does not get too hot
Answers: 3
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Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
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