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Compare Earth 4 billion years ago to Earth 550 million years ago.

Earth was not fully man maid at that time 4 billion years ago than 550 million

Explanation:

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in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)