When determining the melting point of the alum, it is necessary to keep the thermometer next to the capillary tube to ensure that the temperature reading is accurate. True or false?

altitude, density, pressure

air gets less dense the higher the altitude and also the air pressure is less as altitude rises.

the movie was based there, and all the animals and characters are native.

~courtney

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the objects have the same charge is correct.

nathan lee