Examine a model and answer questions about dust transport around the world.
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Explore the energy and matter cycles found within the Earth System.
This is the first of a four-part series on the water cycle, which follows the journey of water from the ocean to the atmosphere, to the land, and back again to the ocean. Students review the video and answer questions.
What are Phytoplankton?
Derived from the Greek words phyto (plant) and plankton (made to wander or drift), phytoplankton are microscopic organisms that live in watery environments, both salty and fresh.