Whose explorations led to a greater knowledge of North America, the Arctic, Australia, and the Hawaiian islands?

Robert de La Salle’s and Henry Hudson’s
Henry Hudson’s and James Cook’s
Samuel de Champlain’s and Robert de La Salle’s
James Cook’s and Samuel de Champlain’s

china is shifting toward specialization in industry and services and away from agriculture.

explanation:

mark brainliest

the manhattan project's indispensable man

a stronger government

on a flat and narrow coastal plain, between the foothills of the brazilian highlands and the atlantic ocean, on the shore of guanabara bay, in the state of rio de janeiro, brazil, the tropical zone in south america.