Examine the following processes. i. Glucose breaks down in our bodies to provide energy. ii. A lump of sugar dissolves in a cup of coffee. iii. A candle burns. iv. Ice cream melts on a hot day. v. Food is refrigerated in a refrigerator. vi. A drop of food coloring spreads in a glass of water.

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the species living around the vents are especially good at dispersal.  

deep-sea vent originates on the floor of the ocean when seawater circulates through hot volcanic rocks, usually situated where the new oceanic crust is being produced.  

biological dispersal refers to the movement of species from their location of birth to their site of breeding, or from breeding site to another. similarly, the oceanic dispersal refers to the movement of the species from one land mass to another by sea crossing.