All terms in this list:

dislocated: a move from the original place

naturalist: A person committed to studying nature or natural history.

boulder: A large piece of stone.

exert: to put in vigorous action

brutal: Savagely violent, vicious, ruthless, or cruel

deter: To persuade someone not to do something; to discourage.

exhausted: Depleted; in a state of exhaustion.

crevasse: A crack

chasm: A deep, steep-sided rift, gorge

halt: to stop either temporarily or permanently

ponder: To wonder, to think of deeply.

wince: To flinch as if in pain or distress.