Cellulose and starch would be the indicator that the unknown substance is a plant.
Answer:
They all vibrate, but they all move differently.
Explanation:
Similarities: They all consist of particles and vibrate, just at different frequencies.
Differences: The particles in solids move slowly and vibrate. In liquids, they move a bit quicker and slide past one another. They will also take the shape of the container they're in. In gases, they move freely at high speeds and also taking the shape of the container.
Hope this helped! :)
Answer:
It is A
Explanation:
If you think about it, no-polar covalent bonds are in a symmetrical line, and polar bonds are on the diagonals of the center atom.
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Answer B because of how it differs throughout time
