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
The answer is a political system
Answer:
they occur at convergent plate boundaries
The Rainforest, because it has a lot of rain and is a very wet and humid climate which cause more types of vegetation to grow.
Hope this Helps!