Where the tectonic plates are near each-other, because that's what causes earthquakes (the plates rubbing against each-other).
Everything is important there. Many things have happened there too.
The use of computer models runs right through the Herat of climate science. from helping scientists unravel cycles of iceages hundrades of thousands of years ago to making projection for this century or the next models
1/2 * 20 = 10
You can also think of it as the 20 being divided by two.
Rivers begin in mountains or hills where rain water or snowmelt collects and forms tiny streams called gullies.
