Which of the following is closest to the speed of sound in air at sea level ?
a.3 m/s
b.30 m/s
c.330 m/s
d.3300 m/s

C. 330 m/s is the correct answer.
Hope this helps~

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the