Who led the challenger expedition from 1872 to 1876, making thousands of discoveries of life in the deep sea?
a. charles wyville thomson
b. jacques cousteau
c. robinson crusoe
d. sir john ross

Who cared for the sick crusaders? knights of the temple knights of saint john of jerusalem order of the holy trinity

Which describes a domestic policy for which president nixon was responsible? the reduction of tension between the democrats and republicans the establishment of the second frontier the reduction of tension between the united states and china the establishment of the environmental protection agency

Complete the square for 3x2 - 12x = 9.