In a crystal, the molecules are closer together as they are in any solid. they have less room to move, and might even be combined together rather than individual
<span>An object at rest will stay at rest unless acted upon by a unbalanced force.
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It's known as the greenhouse effect.
Lions walk on 4 legs, humans walk on 2. female lions live in groups but are taken over by groups of male lions from time to time, human adults tend to live alone or in pairs with their offspring. Humans can talk and lions cannot. lions have manes around the face.