2 which among the set of planets
are called terrestrial?​

The Terrestrial Planets. From top: Mercury, Venus, Earth and Mars. The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth's terra firma. The terrestrial planets are the four innermost planets in the solar system.

The water is heated into steam. The steam pushs the turbine creating mechanical energy. The mechanical energy turns the generator and is converted into electrical energy. The electrical energy is transitted through power lines.

So the last group of statements are the rigth answer.