A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
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Answer:
4
Step-by-step explanation:
2 plus 2 equals 4 lmk if you need more help
Answer:
Well I believe 1 x 649 equals 649 units as the area...
I tried my best! Hope this helps you!
2 and 4.5 is not equivilant since 2 and 4.5 cannot go together (the 0.5 does not help and so it does not make it equivalent.)
Hope this helped!
Nate
