atmosphere Flashcards
1
Q
what’s the atmosphere
A
thin blanket of gases which protects earth from the extraterrestrial elements
2
Q
what 2 gases compose most of the atmosphere
A
nitrogen (78%) and oxygen (21%)
3
Q
what’s an anticyclone
A
an area of circulation around a high pressure center (clear, sunny)
4
Q
what’s a depression
A
an area of circulation around a low pressure center (clouds, rain)
5
Q
what are air masses
A
enormous expanses of air that move together to interact with other air masses to create weather patterns
