Answer:
1-d
2- a
3-e
4-b
5-c
This is the correct sequence
B
because it will pick it up while coming down not just flowing on low land<span />
Life Expectancy Was Shorter
Trains were faster to ride
The population explosion was not as on date
The amount of diffraction of sound waves depends on the medium the sound wave travels to and the frequency. Diffraction happens as soon as it has been out of the source.