Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction1
Answer:
Because the amplitude of the surface waves diminishes less rapidly with distance than the amplitude of P or S waves, surface waves are often the most important component of ground shaking far from the EARTHQUAKE source, thus can be the most destructive.
I think your answer would be b.
Answer:
x −2 −1 1 2
y −4 −2 2 4
Explanation:
→ 
→
→
→
This Table All has the same value of K
Hence, 3rd one also known as Table C represent a proportional relationship.
[RevyBreeze]
Answer:
70%
Explanation:
Because the mountains cover up 70% of Japan
