The speeds range from 30 miles per hour to 70 miles per hour
Answer:
They are practicing what? You didn't finish writing out your question.
Explanation:
The Prime Meridian marks zero degrees longitude. Without it, the other degrees of longitude cannot be measured.
Answer:
Stability
Explanation:
Stability (or atmospheric conditions) describes the tendency of the air either with rise and generate storms (destabilization) or resist vertical motion (stability).
As is valid of a balloon, the best way to explain how equilibrium functions is to consider a parcel of air getting a thin , lightweight cover that helps it to stretch but prohibits the air within from interacting with the surrounding atmosphere.
