You need at least 3. seismic stations provide only a circle around the station. so from geometry 3 circles intersect in a point. that is why you need 3 stations
I think its D im not sure hope this helped
Answer:
Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock.
Explanation:
Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock.
Answer: people from serberia probably walked on feet over to america in the late ice age. it was covered with a thick sheet of ice and was hard to inhabit.
Explanation:
