Answer:
The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.
Explanation:
thank me later but if it wrong. sorry
The answer to this is C I-beam
Answer:
DOMAIN
Explanation:
A utility that provides names to each computer on a network is called a DOMAIN naming service.
Answer:
flat screw driver
because if the screw is negative then you will need a flat screw driver