Which energy transformation occurs first in a coal-burning power plant.

a. chemical energy to thermal energy
b. thermal energy to mechanical energy
c. thermal energy to electrical energy
d. mechanical energy to electrical energy

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Transformation occurs first in a coal-burning power plant is Chemical energy to thermal energy.

Option A

Explanation:

Coal-burning power plants produce power by consuming coal in an evaporator to deliver steam. The steam delivered, under gigantic weight, streams into a turbine, which twists a generator to make power. The steam is then cooled, dense once again into water and came back to the evaporator to begin the procedure once again.

The combustion of coal releases a energy which is a chemical energy and as it releases electricity due to high temperature , the first transformation occurring in coal burning power plant is chemical to thermal energy.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602