In each group of vocabulary items, three of the words have the same or similar meanings. Choose the word that has a different meaning and does not belong.

1
			A)	common
			B)	typical
			C)	tropical
			D)	usual
2
			A)	atmospheric conditions
			B)	temperature changes
			C)	weather
			D)	desert
3
			A)	stay
			B)	vary
			C)	differ
			D)	change
4
			A)	usually
			B)	greatly
			C)	generally
			D)	typically
5
			A)	scientist
			B)	condition
			C)	meteorologist
			D)	weather researcher
6
			A)	great
			B)	major
			C)	natural
			D)	important