You never said what language so I used C
#include <stdio.h>
<span>int main () { </span>
<span> int a; </span>
<span> for( a = 3; a > 0; a-- ){ </span>
<span> printf("%i \n", a); }</span>
<span> printf(" Blast OFF !!!\n"); </span>
<span>return 0; </span>
<span>}</span>
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 is <em>B.) Close Range Drones</em>
I just took the test
Nested
..................................
Go to the me colum when you first open the app
