What effect has the drug trade had on some governments in middle and south america?

How do the dry pampas and wet pampas contribute to the economic health of argentina

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

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?