The first one best describes cohesion. Cohesion is the action of forming together so Cohesion is caused by polar water molecules attracting each other.
The answer is A smaller fragments will move faster.
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Symbiosis is an interaction characterized by two or more species living purposefully in direct contact with each other. The term "symbiosis" includes a broad range of species interactions but typically refers to three major types: mutualism, commensalism and parasitism.
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