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chapter 8.1
science
Question | Answer |
---|---|
the continental shelf, continental slope, and continental rise are regions of the continental | plains |
the large, flat areas of the seafloor that extend across the deepest parts of the ocean basin are | abyssal plains |
what is the term for an uncrewed submersible used to explore the seafloor | ROV |
which zone does not receive any sunlight | deep zone |
what happens to density as depth increase in oceans | increases |
salt water mixed with freshwater is | brackish water |
the five oceans are Antarctic ocean, pacific ocean, Atlantic ocean, the indian ocean, and the southern | false Antarctic should be artic |
salinity is a measure of the mass of dissolved solids in a mass of water | true |
a salinity of 35 parts per thousand means that if you measured 1,000 g of seawater, 1,000 g would be water molecules and 35 g would be salts | false |
the salinity of seawater in not constant | true |
brackish water is polluted water mixed with seawater | false fresh water |
chemical process in which light energy, water, and carbon dioxide are converted into sugar | photosynthesis |
to operate with hands or by mechanical means in skillful manner | manipulate |
slightly salty | brackish |
a feature on the ocean floor flat | abyssal plain |
water in the oceans | seawater |
refers to dissolved salt content | salinity |
the oceans were filled during tens of thousands of years with water from | precipitation |
the continental margins include the continental | shelf |
the large flat areas of the seafloor that extend across the deepest parts of the ocean floor are the | abyssal plains |
in areas where tectonic plates collide, the seafloor has deep | trenches |
in areas where tectonic plates separate, the seafloor has mid-ocean | ridges |
oceanographers use ________ to explore the seafloor | submersibles |
water from a sea or an ocean that has an average salinity of 35 ppt is | seawater |
fresh water mixed with seawater | brackish water |