Colonial aspirations. correct answers Although the age of exploration ended in the early 17th century, what factor continued to drive exploration?
Antarctica and Australia correct answers By the late 1700s there were a number of major European trade routes. Which continents did not have a trade ...
Oceanography Exam 1 || All Correct.
Colonial aspirations. correct answers Although the age of exploration ended in the early 17th
century, what factor continued to drive exploration?
Antarctica and Australia correct answers By the late 1700s there were a number of major
European trade routes. Which continents did not have a trade route to Europe?
Capt. James Cook correct answers Who commanded the first quasi-scientific ocean expedition?
Their Captain insisted on cleanliness, ventilation, and a diet that included vitamin C correct
answers What rules helped the crew of HMS Endeavour to stay healthy during their long
expedition?
Their position north or south of home. correct answers Early explorers such as Columbus lacked
modern navigation systems. What did they use the stars to estimate?
A very accurate clock correct answers In order to estimate longitude, you need a
________________.
They used a pendulum to keep time and a pendulum would not work due to the motion of the
ship. correct answers Prior to the invention of the chronometer, why weren't existing clocks
suitable for keeping time on a ship?
Lt. Charles Wilkes correct answers Who commanded the United States Exploring Expedition in
1838?
HMS Beagle correct answers What was the name of the ship that carried Charles Darwin on his
round the world voyage?
The Board of Longitude Prize correct answers What prize did John Harrison ultimately win?
The Pathfinder of the Seas correct answers Matthew Maury is considered to be the founder of
modern oceanography. What was his nickname?
The Challenger Expedition correct answers What was the name of the first sailing expedition
devoted entirely to science?
That life could not exist below 1,800 feet. correct answers A steam winch enabled the crew of
HMS Challenger to disprove what hypothesis?
Manganese nodules correct answers What finding from HMS Challenger later stimulated interest
in deep-sea mining?
, That no Arctic continent existed. correct answers What geographic finding did Fridtjof Nansen
prove during the 1650 km drift of the Nansen?
Echosounders correct answers What technology replaced sounding cables and weighted lines for
measuring water depth?
Don Walsh and Jacques Picard correct answers The first two humans to reach the deepest part of
the ocean were:
35,756 feet correct answers The maximum depth of the ocean (Challenger Deep) is estimated to
be:
Human Occupied Vehicle correct answers In the context of modern oceanographic technologies,
what does HOV stand for?
Sediment particles originating from meteors are classified as ____________________. correct
answers Cosmogenous
Clay particles dominate many areas of the deep sea because: correct answers They are easily
transported long distances.
Biogenous sediments cover approximately ____% of the ocean floor. correct answers 55
Using the deposition site classification, sediments found on continental margins are classified as
______________ sediments. correct answers Neritic
Using the deposition site classification, sediments that accumulate on the continental slope,
continental rise, and deep-ocean floor are classified as ______________________. correct
answers Pelagic sediments
Where is most of the sediment being discharged by the Mississippi River accumulating? correct
answers The Deep Sea
Fine-grained deep sea sediments typically deposit at rates of 1 mm to 1 cm per ______. correct
answers 100 years
Incorporation of small particles such as coccolithophores into ____________________ will
accelerate their settling velocity. correct answers fecal pellets
Marine sediment layers are deepest on ___________________. correct answers Continental
slopes
Which of the following pieces of information cannot be revealed by the study of ocean sediment
cores? correct answers Future rates of ocean temperature change.
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