Asubstance that has a uniform composition and is able to be separated by physical means is a(n) . a. solution . b. heterogeneous mixture . c. element . d. compound .

A . Solution

Solution is the substance that has a uniform composition and can be separated by physical means. Solution is also known as the homogeneous mixture. The heterogeneous mixture, the element and the compound do not have uniform composition.

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

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