Help LEGIT answers and braincells needed

Which is not a principal group in the Köppen system?

west coast climate

humid tropical climate

polar climate

dry climate​

How does the bare soil surface type affect the amount of runoff

Is a state government creates a new tax to fund schools a example of checks and balances

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of