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chapter 8.1
composition and structure of earth's oceans
| Question | Answer |
|---|---|
| What is a feature on the ocean floor | abysssal plain |
| What is water in the oceans | seawater |
| This refers to dissolved salt content | salinity |
| The chemical process in whicg light energy, water, and carbon dioxide are converted into sugar | photosynthesis |
| This means to operate with hands or by mechanical means in a skillful manner | manipulate |
| This is slightly salty | brackish water |
| The oceans were filled tens of thousands of years with water from what | precipitation |
| In areas where tectonic pates collide, the seafloor has deep what | trenches |
| In areas where tectonic plates seperate, the seafloor has what | mid-ocean ridges |
| Oceanographers use what to explore the seafloor | submersiles |
| Water from a sea or an ocean that has an average salinity of 35 ppt is what | seawater |
| two main tyoes of resources on the seafloor are what | mineral and energy |
| The continental shelf, slope, and rise are regions of the continental what | plains |
| What is the term for an uncrewed submersible used to explore the seafloor | ROV |
| Which zone does not recieve any sunlight | deep zone |
| What happens to density as depth increases in oceans | it increases |
| What is the smallest ocean | arctic ocean |
| What is the biggest ocean | pacific ocean |
| Is the salinity of seawater constant | no |
| What is the ocean closest to anarctica | southern ocean |
| Is brackish water poluted | no |
| Appears when tectonic plates seperates | mid-ocean ridges |
| Appears when tectonic plates collide | ocean trenches |
| A steep slope in an ocean | continental slope |
| Is a continental slope and rise the same | no |