Two changes which are harmful to humans. ( not asking chemical change or physical
Answers
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Answer:
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Explanation:
Chemical and physical changes are essential to man and the environment. Understanding how
to differentiate between chemical and physical changes is an essential skill that secondary school
students must acquire. Additionally, it is important for students to understand how the interference of
man has caused some chemical and physical changes to become harmful for the environment, society
and the economy. This article presents a lesson plan that aims to enhance student understanding of
chemical and physical changes, and to encourage students to analyze how chemical and physical
changes can have a harmful effect on the environment. The article also presents an explanation of