Where are the yungas located?
mountains
mountain hillsides
river valleys
coastlines

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?

Which topic would a meteorologist most likely research? -meteors in space -marine ecosystems -atmospheric conditions -the runoff of stream systems