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amm1812
3 years ago
13

What does it mean when to say that mass is coserved during a physical change?

SAT
1 answer:
Likurg_2 [28]3 years ago
4 0

During a physical change, the mass is conserved because it isn't permanently changed, like a chemical change. A chemical change would be something like burning a piece of paper, and a physical change would be something like cutting up pieces of paper (can be put back together).

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Based on the information given about the wedge, the option that will increase the mechanical advantage of incisors is D. an increase in the length of the teeth and no change in the thickness at the widest part of the teeth.

A wedge simply means a triangular shaped tool that's used as a simple machine. It is used for the separation of objects.

It should be noted that Incisors (front teeth) act as wedges in the human body and there can be an increase the mechanical advantage of incisors when there's an increase in the length of the teeth and no change in the thickness at the widest part of the teeth.

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3 years ago
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alexandr1967 [171]

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