The compressions and rarefraction that make up a sound wave traveling through the air are 1. differences in air pressure.
2. differences in pitch.
3. echoes.
4. an example of infrasound.

dont understand

step-by-step explanation:

757764

step-by-step explanation:

de77737dd

.there can be infinite values of m and n that can satisfy the above equation. for each value of m of m or n. there maybe infinite sets of solution for the above

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this