Jason lives near a state park, and he likes hiking through the grassy trails that lead to a nearby lake. He appreciates nature and the surrounding components making up the ecosystem.

However, he often sees trash left near the lake, such as plastic bags floating near the shore.

Human activities disrupt the natural cycling of materials in an ecosystem. Identify and describe three human activities that negatively affect

1. Plastic Waster
2. Air Pollution
3. Toxic Sludge Dumping

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

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