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In the movie Cast Away, Tom Hanks plays a FedEx efficiency expert stranded on a deserted island. While on the island, he divides his time between catching fish, gathering coconuts, painting, and building a raft. Suppose that these were Mr. Hanks' only activities. Did he face an opportunity cost from pursuing any of these activities? Why or why not?
Haploid Spores
Reproductive cells produced by some plants, fungi, and protists that have only one set of chromosomes and can develop into a new organism without needing to fuse with another cell.
Organic Material
Matter composed of organic compounds that has come from the remains of organisms such as plants and animals and their waste products in the environment.
Soil Erosion
The wearing away or removal of soil from the land; although soil erosion occurs naturally from precipitation and runoff, human activities (such as clearing the land) accelerate it.
Mosses
Small, green, non-vascular plants that usually grow in dense green clumps or mats, often in damp or shady locations.
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