The water in an aquarium is warmed by a heater located under the gravel in the bottom of the aquarium. Explain how the energy is transferred to the gravel.

Explanation:

Proper placement of the aquarium heater will assure that the tank is In your home aquarium, the best location for placing a heater is near the maximum water flow,  heater is what quickly and evenly disperses heated water throughout  instead of one 200 watt heater, use a 100-watt heater at each end.

thanks again

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.