And, as it only includes results with just both terms. Or will give either and not will give everything but.
The answer is: switches.
Explanation:
Filtering is a function of switches.
True??????????????????????????
Answer:
Because of refraction.
Explanation:
Light coming from fish passes through two medium, one is water and another is air. As the density of medium is changing from high to low, the light bends away from the normal. So to the human eyes, the fish appears to be above its actual position.