You will need too know the mass and velocity
Answer:
Arctic Air masses
Explanation:
The Arctic Air masses are the world's most cold air masses. Specifically they are called Continental Arctic. Extremely cold and with very little moisture(extremely dry). These originate from north arctic region of 24 hour darkness that make the wind extremely cold and dry. The temperature in these regions are well below -50°C.
Answer:
find the sum of the two horizontal vectors and the sum of the two vertical vectors
Explanation:
made the most sense. you can beat me up if its wrong :D
1.) The rain will erode the concrete that's why sometimes you see marks in concrete surfaces.
2.) The streams, creeks, rivers, and etc, would overflow or flood and make new bodies of water but then when it dries up the water will dry up.