most important. guidance. To show the way or guide others.

engaging in speech. action of talking. To say things or ideas to someone with words.

Whether it is raining, sunny, cold etc. outside. wear away something by exposure to atmosphere.

Concerning or involving the center of an atom.

relating to authority or public body. A person authorized to perform a specific duty.

A metric unit of length equal to 1000 meters.

(of electromagnetic radiation) having wavelength just greater than that of red end of visible light spectrum. infrared region of spectrum.

occurring or found at intervals rather than all together. To throw or move into various different directions.

Typical or normal; usual; ordinary. number expressing the central or typical value in a set of data. amount to or achieve as average rate or amount over period of time.

Electrical appliance for making toast.

artificial body placed in orbit round earth or another planet. Natural objects in space that moves around another.

When you your body heat is above normal.

consider one thing to be same as or equivalent to another.

(Walking) without shoes. without wearing anything on feet.

Electronic screen on which you can see images. observe and check quality over time.