The technologies encourage sustainable energy including renewable energy sources, like solar energy, hydroelectricity, wave power, wind energy, geothermal energy, tidal power, and bioenergy.
Of these the most constant source of energy is provided by hydro-electricity. The gravitational force of falling water is the essential feature in the generation of hydroelectricity. The micro-hydro or the small-scale hydro has become a popular substitutive source of energy, mainly in remote regions where other power sources are not viable.
Amphibia,
Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The
correct answer between all the choices given is the second choice. I am hoping
that this answer has satisfied your query and it will be able to help you in
your endeavor, and if you would like, feel free to ask another question.
