9: Earth's Oceans Last updated Jan 11, 2021 Save as PDF 8.23: Earth's Fresh Water- Challenge 4 9.1: Importance of the Oceans Page ID5462 ( \newcommand{\kernel}{\mathrm{null}\,}\) 9.1: Importance of the Oceans9.2: Seawater Chemistry9.3: Ocean Zones9.4: Earth's Oceans- Challenge 19.5: Wind Waves9.6: Tides9.7: Surface Currents9.8: Ocean Currents and Climate9.9: Deep Currents9.10: Earth's Oceans- Challenge 29.11: Coastal Pollution9.12: Ocean Garbage Patch9.13: Oil Spills9.14: Earth's Oceans- Challenge 3