John Harrison Solved the Problem of Accurate Time-Keeping at Sea

Q12: A portolano is a harbor finding chart.

Q13: The most significant advantage of satellite oceanography

Q14: Ferdinand Magellan's ship was the first vessel

Q15: The Glomar Challenger was a ship built

Q16: The first world atlas was produced by<br>A)

Q18: The Scandinavian oceanographer, Fridtjof Nansen, studied the

Q19: Place the following explorers/groups in the correct

Q20: Large scale sea studies require that governments,

Q21: Benjamin Franklin measured the salt content of

Q22: Who was the first of the European