Questions

Based on conventionality in deriving energy, energy sources could be classified as

Conventional ::

coal, oil, hydro, nuclear, etc... sources which can be used up or exhaustible.

(and)

Non - conventional ::

solar, wind, tidal, geothermal, biogas, etc... sources which are not exhausted.

Among the given options, Geothermal energy is the alternative energy source among all the choices that are given in the question, that is exhaustible.

Accoustics is a subject deals with the Study of sound

Aesthetics is a Philosophy of fine arts

The science or art of flight is called Aeronautics

The science of soil management is called Agronomy.

Trip planning helps reduce Driving distance and stress. We can preplan the trip how to go, where to go first, from where the spot is near and what the places to be seen there and the total estimation for the trip.

All of the options given are synonyms of RUN.

Hence, Race, Amble, Lope are similar in meaning to the word Run.

Giraffe have no vocal cords.

A Badminton shuttle or a tennis ball.