To keep the heat of the liquid from dispersing into the air around the cup.
Answer:
the answer is c google bohj
Answer:
Electrical power transmission involves the bulk movement of electrical energy from a generating site, such as a power station or power plant, to an electrical substation where voltage is transformed and distributed to consumers or other substations.
Explanation:
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The gravitational field strength creates forces on mass by pulling it towards the centre the equation is weight=mass*gravitational field strength
