Which of the following statements applies to resources from the sea? correct answersThey are
more difficult to locate and extract.
The growing or farming of marine plants or animals under controlled conditions is called: correct
answersaquaculture.
In general, our present level of growth and exploitation of marine resources is : correct
answersUnsustainable
Of the thousands of species of marine fish, crustaceans, and mollusks, fewer than 500 species are
regularly caught and processed. correct answerstrue
Large gypsum formations can take up to millions of years to form. As a result of the time it
takes, gypsum deposits would be classified as a: correct answersNon-renewable resource
Aquaculture produces very little of the amount of fish consumed by humans. correct
answersfalse
Despite its vast size, the ocean will likely not be able to provide enough food to alleviate future
malnutrition and starvation in the world. correct answerstrue
The movement of passengers by sea produces much more revenue than the transport of cargo by
sea. correct answersfalse
Waste disposal is an example of which resource type? correct answersnon-extractive resource
Bottom trawling, which disturbs sediments, is more devastating to ocean environments than by
catch. correct answerstrue
The world ocean: correct answersis the dominant feature of the Earth and most of its living
organisms.
The total amount of fresh water on Earth makes up only about 2.5% of all the water on the
planet. correct answerstrue
Physical oceanographers design and build oil platforms, ships, harbors, and other structures that
enable us to use the ocean wisely. correct answersfalse
The condensation theory explains how the ocean on Earth was formed. correct answersfalse
The fusion of hydrogen atoms into helium atoms occurs near the end of a star's life. correct
answersfalse