What are three important facts about density

An object with a density less than 1 gm/cm3 will float in water. High density materials such as metal, concrete, or glass, will sink in water because they are higher density than water. An object with a density greater than 1 gm/cm3 will sink in water. The density of water can be changed by the addition of minerals.

Explanation:

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the tides are influenced by both the moon and the sun, it's easy to see that when the sun lines up with the moon and the earth, as during a new moon or full moon, the tidal effect is increased. these are known as spring tides, named not for the season, but for the fact that the water "springs" higher than normal. on the other hand, if the sun and the moon are 90 degrees apart in relation to an observer on earth as during the first quarter moon or third quarter moon, then high tides are not as high as they normally would be. this is because despite its greater distance, the sun's mass allows it to exert enough gravitational force on the oceans that it can negate some of the effects of the moon's pull. this phenomenon of lower high tides is called a neap tide. if you need more information on this topic visit moonconnection.com.

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because it does not have the potential to be entirely used up