Infrasound is always smaller or lighter than ultrasound. For example: infrasound can be the sound of a paper clip hitting the floor, and ultrasound can be the sound of two planets colliding.
infra sound - low frequency waves - frequency less than 20 Hz
ultra sound - high frequency waves - frequency greater than 20000 Hz
the difference between has and have is that you use has in sentences with : ( she , he and it ) for example : she has a book . but you use have in sentences with : ( I , you , we and they ) for example : you have a book , I have a book .
what is the difference between a natural and a political boundary.Give a example of each.
example given......in example
what is the difference between local market and national market
There is very little difference unless you take away the 'for' :)
fundamental difference between a polynomial function and an exponential function?
Difference" means subtraction. for example the "difference" between 9 and 2 is 7
Ultrasound scan requirements vary depending on the type of ultrasound. For example, for a pregnancy ultrasound, the woman is expected to drink 4 glasses of water and not relieve her bladder for an hour before the scan.
What is the difference between a salary and commission
what is an attitude, give example
Do is plural... Does is singular. Example: 'She' does love me. 'I' do love her.
whats the difference between carcinogenes and mutagens