About 40 percent of all canadians have
a. inuit ancestors
b. british ancestors
c. native american ancestors
d. french ancestors

yes probably it reduce

thanx

heyaa

answerpeople organize large projects such as levee-building;

explanation:

since the crust is readily accessible, scientists have been able to perform hands-on experiments to determine its composition; studies on the more distant mantle and core have limited opportunities samples. so scientists also rely on analyses of seismic waves and gravity and as well as magnetic studies.