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chapter 8.1
oceans
| Question | Answer |
|---|---|
| A feature on the ocean floor.... | Abyssalplains |
| A chemical process in which light energy, water, and carbon dioxide are converted into sugar.... | Photosynthesis |
| Refers to dissolved salt content..... | Salinity |
| In areas where tectonic plates collide, the seafloor has deep _______. | Trenches |
| In ares where tectonic plates separate, the seafloor haas mid-ocean _______. | Ridges |
| The continental margins include the continental _____, the continental slope, and the continental rise. | Shelf |
| Two main types of resources on the seafloor are _____ and _____ resources. | Energy;Minerals |
| The continental shelf, slope, and rise are regions of the continental _____. | Plains |
| What is the term for an unscrewed submersible used to explore the seafloor? | ROV |
| What happens to density as depth increases in oceans? | It increases |
| Which zone does not receive any sunlight? | The deep zone |
| Salt mixed with fresh water is.... | Brackish water |
| What are the 5 oceans? | Arctic Ocean; Pacific Ocean; Atlantic Ocean; Indian Ocean; Southern Ocean |
| List 2 main categories of resources on or beneath the ocean floor ... | energy and minerals |
| How much sunlight does the surface zone receive? | The most |
| What is the advantage of bioluminescent deep-sea organisms emitting a blue-green light? | The blue-green light reaches deeper into the ocean. |
| How does light that is absorbed effect the temperature of the water? | The warmer the temperature is the warmer the water will be. |
| As you get deeper into the ocean the temperature.... | Decreases |
| Water in the ocean.... | Seawater |
| To operate with hands or by mechanical means in a skillful manner... | Manipulate |
| The large, flat ares of the seafloor that extend across the deepest parts of the ocean floor are the ______. | Abyssal Plains |
| Oceanographers use __________ to explore the seafloor. | Submersibles |
| Physical characteristics that are used to classify the ocean into zones include water depth, temperature, salinity, density, and amount of _______ received. | Sunlight |
| The oceans were filled during tens of thousands of years with water from _______ and possibly ice from comets and asteroids. | Precipitation |
| Water from a sea or an ocean that has an average salinity of 35 ppt is....... | Seawater |
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hodsoale7806
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