By velocity, you are referring to the speed of sound. It can be modelled by the equation:
V = 331m/s + (0.6m/s/C) x T (where T stands for temperature and V stands for Velocity).
Plug in the numbers and you'll get 343m/s
Internation Date Line. The International Date Line<span> is an imaginary line that crosses the </span>surface of the Earth<span> and goes from the </span>North Pole<span> to the </span>South Pole, and it signifies<span> the change of one </span>calendar day<span> to the next. It crosses the middle of the </span>Pacific Ocean<span>, over the </span>180° line of longitude<span> expect for some territories and island groups.</span>
It takes about 365and 1/4 days
Settlers who grew just enough crops to support likely lived in the North.
Hope this Helps!
D. For the first one
C. For the second one
