<span> physical
</span><span>about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas</span><span>
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It is protected by a mucus layer formed on the surface regularly that ressist ph values.If it isn't formed our body will eat itself.
Answer:
experiment can show the movement of pollutants through the groundwater!
Explanation:
Answer:
Specific gravity is the density of asubstance divided by the density of water. Since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density(but without any units).
