A dog walks 30. m west, then 40. m east and then 20. m south. What is the

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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