Currents involve movement of ocean water masses, driven either by wind or by differences in temperature, salinity and density. The most important from a human perspective are the wind-driven surface currents that move water in the uppermost layer of the ocean.
Currents affect humans in several primary ways. Currents help shape the climate in the areas where we live, create the right conditions to support abundant ocean life in the areas where we fish, and change weather patterns through periodic events like El Nino/La Nina.
Ocean currents also cause upwelling in many areas like off in the inland parts of North America, where surface currents taking water away from the shore cause nutrient-rich water to well up from the ocean deeps. The abundance of nutrients in these areas forms fertile ground for kelp beds and marine fisheries, which in turn furnish food for humans. Alterations in current patterns like the El Nino/La Nina cycle affect humans as well by causing changes in local weather patterns in the years when they occur.
Answer: Agreement / Addition / Similarity
Explanation: The transition words like also, in addition, and, likewise, add information, reinforce ideas, and express agreement with preceding material.
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The most common type of rock found on Earth's surface is a sedimentary rock, and types of sedimentary rocks include those listed in the diagram below. Hope this helps! I take Environmental Science so if you have any more questions don't hesitate to ask them below. :)
