Explanation:
waterfalls are temporary features of rivers because stream erosion is greatest at waterfalls and rapids. The water that falls at the base of the waterfall erodes rock there, leaving the rock at the tops of the waterfalls to overhang. Overall, undermining causes waterfalls to recede farther upstream.
Answer:
That would be a political map because it is showing you the variety of political affilliation,
Explanation:
It is hotter upstairs because heat rises up and gets trapped in the highest point of the building or structure.
185km?
Amount they were bussed
(300 - 70)/2
= 115
Amount they biked
115 + 70
=185
Isn't this a math question? Unless I am missing something?? o.O