Oceans 1 0.0 / 5 ? OtherThe EarthUniversityNone Created by: MariaC5Created on: 04-04-18 15:26 Phytoplankton and algae produce what in the ocean? Oxygen 1 of 29 Water is what kind of molecule? Polar 2 of 29 What type of bonds are there between oxygen and helium? Covalent bonds 3 of 29 Which bonds are responsible for the way water acts? Hydrogen bonds 4 of 29 What is the study of ground water called? Hydrogeology 5 of 29 What % of water on earth is fresh water? 2.5% 6 of 29 What % of water on earth is ice or permanent snow cover? 1.7% 7 of 29 Sunlight in the ocean penetrates down to a maximum of... 200m 8 of 29 What are the correct %s of salt and water in seawater? 96.5% water, 3.5% dissolved salts 9 of 29 The most abundant salt in the sea is NaCl 10 of 29 What is the salinity of sea water? 35ppt 11 of 29 What is the density of sea water? 1.03g cm3 12 of 29 What range is the pH of sea water? 7.8-8.4 13 of 29 What is the thermocline? Steep change of temperature 14 of 29 Cold and salty water is Dense & lower down the water column 15 of 29 Warm freshwater is Not dense & higher up in the water column 16 of 29 Evaporating water increases or decreases salinity? Increases 17 of 29 Adding water increases or decreases salinity? Decreases 18 of 29 What does halocline mean? Change in salinity 19 of 29 What is depth is the photic zone? Top 100m 20 of 29 What depth range is the dysphotic zone? 100-400/500m 21 of 29 At what depth does the aphotic zone begin? 500m 22 of 29 The Neritic zone and the Oceanic zone divide up what? The Pelagic zone 23 of 29 What is the Neritic zone? Shallow water overlying continental shelf - 200m 24 of 29 What is the Oceanic zone? Deep water in open ocean beyond shelf break 25 of 29 What is the Benthic zone? Sea floor - any part of the sediment 26 of 29 Thermohaline circulation is Sub surface currents 27 of 29 Surface moves at - of wind speed, extends to approx 100m deep 3-5% 28 of 29 A big circular currents that goes around parts of our ocean basins is called? Gyre circulation 29 of 29
Comments
No comments have yet been made