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Examples of materials or substances

Examples of materials or substances that can be both beneficial and detrimental at the same time. Give two examples.please help
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2. asked by Anonymous
3. 2,120 views
After using chemicals in his darkroom, Dwayne is ready to clean up and dispose of all of the leftover materials and chemical
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2. 149 views
16.After using chemicals in his darkroom, Dwayne is ready to clean up and dispose of all of the leftover materials and chemical
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2. 18 views
After using chemicals in his darkroom, Dwayne is ready to clean up and dispose of all of the leftover materials and chemical
1. 1 answer
2. 42 views
Ella is interested in combining substances to form a new material.What does she need to know before she combines the substances
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2. asked by Maria Candea
3. 38 views
Ella is interested in combining substances to form a new material.What does she need to know before she combines the substances
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2. 33 views
Explain:Classification of Matter: Matter can be classified into two main categories: pure substances and mixtures. 1. Pure
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2. 151 views
Explain of each:Classification of Matter: Matter can be classified into two main categories: pure substances and mixtures. 1.
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2. 121 views
Im doimg a STEM Project on natural substances for teeth whitening these are materials and steps:Materials: 1. Baking soda 2.
1. 1 answer
2. 71 views
Skills addressed (see CAPS, but also derive from lesson yourselt and give examples in each case under the topic of solid
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2. asked by Nucky
3. 67 views