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Not all physical changes are reversible because most times when such changes occur parts of the substance is lost to the environment.
Useful changes to the environment include reforestation efforts to restore ecosystems and renewable energy projects to reduce reliance on fossil fuels. Harmful changes include deforestation leading to habitat loss and climate change caused by greenhouse gas emissions.
Environmental disturbances are changes in the environment that cause lasting and major changes to the ecosystem. Some examples are floods, fires, introduction of new species, windstorms, and insect outbreaks.
Animals adapt to their environment through physical changes or behaviors that help them survive. Examples of adaptations include camouflage, migration, hibernation, and the development of specialized body parts like beaks or claws.
For example some useful isotopes: 241Am, 242mAm, 243Am.
Some examples of natural metal colors found in the environment include gold, silver, copper, and iron.
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You can separate your trash, reduce the amount of water used when showering, reduce car emissions by carpooling or using public transportation. Hope it was useful!
School,church.home etc
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There are many useful physical therapy exercises. Some examples of useful physical therapy exercises include stretching, flexibility techniques, and endurance testing.
Scratching it