An economy based on trade
The main vent is the main outlet for the magma to escape. Secondary vents are smaller outlets through which magma escapes. The crater is created after an eruption blows the top off the volcano
To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
1. Pack a first aid kit, Water, and snacks
2. Try looking at the map, read the riddle, and think about the placethat they are talking about!
3. I say don't worry about "WHERE?" the adventure it's self is the mystery.
4. HAVE FUN!
When the earth's tectonic plates shift they move against each other causing an earthquake .
