Some changes have bad effect like pollution and destruction of habitat and lose of lives. Improper disposal of garbage, harmful chemicals and human waste can cause changes. It can pollute air, land and water. Smoke from the burning of oil and coal and wood can also cause air pollution.
Explanation:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
Answers & Comments
Answer:
Effects of Changes in Matter
Some changes have bad effect like pollution and destruction of habitat and lose of lives. Improper disposal of garbage, harmful chemicals and human waste can cause changes. It can pollute air, land and water. Smoke from the burning of oil and coal and wood can also cause air pollution.
Explanation:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
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