Ateam of researchers calculates that a glacier will melt completely away in the next 100 years. which land structure will most likely be left behind after the glacier melts?
a)an arch
b)a deep canyon
c)a table mountain
d)a valley

The answer is (D)

Explanation: It is D because after a glachier melts it turns into a U shaped vally

carbon dating? ?

explanation:

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.