Answer:
avalanche, rockfall, upstream GLOF, lake expansion, identification of the presence of ice cores
Explanation:
<span>These are known as tephra, pyroclats or more generally as volcanic bombs.</span>
Language is most likely to connect a cultural region because communication is the key to everything.
they can not go down into the Earth at all. Due to technology, we would need better technological advances.
I think The upper midwest is the best choice.
