Thrust faults, Volcanoes producing andesitic lavas
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.
Your answers would be d.)Saudi Arabia, located in Middle East because Libya is located in the middle east all of the other answer chose are somewhere far