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Oceanography

Why are oceans important? They are a source of food and mineral resources as well as human recreation and transportation
Which three human activities affects the water quality? Agriculture (runoff of fertilizers and animal waste), human waste disposal (sewage) and construction (runoff from site) within the water shed
True or false. Over-fishing has non-harmful effects on numbers of important food species. False
________ will also bring large quantities of sediments that will affect water clarity affecting sunlight penetration which may damage plant life and all animals above plant life on the food web. Runoff
True or false. Sedimentation may cover coral reefs permanently destroying them. True
There are large current systems in the ocean. These currents distribute heat by carrying warm water from equator to poles and cold water from the poles to the equator. What do these currents cause? These currents distribute heat by carrying warm water from equator to poles and cold water from the poles to the equator.
True or false. Most waves are generated by wind. True
What will change causing changes in the size and location of the ice caps? Circulation
What supplies most of the oxygen for both the atmosphere and the oceans through photosynthesis? Algae
________ of the seafloor is as variable as that on the continents. Topography
Created by: hcps-williahm2
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