The 5th-grade curriculum moved into "Man and Nature." Maxim looked up the solutions for the lab work on water purity. Nikishov’s book asked: “What happens to an ecosystem when the balance of nutrients is disrupted?”
The specific ways human activity changes the environment.
Opening the solution guide to the first section, Maxim found a diagram he had missed in class. It wasn't just a list of plants; it was a map of . The Reshebnik explained a "Check Your Knowledge" question about how a single oak tree supports hundreds of species.
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