Two earthquake waves of the same frequency travel through the same portion of the Earth, but one is carrying 7.0 times the energy. What is the ratio of the amplitudes of the two waves?

root word, prefixes, and suffixes

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada

3. dark matter

empty space could also be a simple vacuum