Answer: I believe the answer is D
Explanation:
Hope this helps
Answer
Virtual realism lost much of its appeal due to the difficulty in creating lifelike images.
Explanation
Virtual reality is a high-end user interface which involves real-time simulation and interaction through multiple sensational channels. Sound, vision, taste ,smell and touch are the five senses that are used in virtual reality.
It has set of independent rotations that completely specifies the position and the orientation of the system. Or an environment that can be interacted with seemingly real or physical way by somebody using special electronic equipment's such as 3D screens.
I think its d but iam not sure
I'm working on the exact same project...
I know this isn't too helpful, but I think each 'seven' mentioned is possibly a time...
seven 'sevens' = 7 weeks
sixty-two 'sevens' = 62 weeks, over a year
Again I'm sorry this isn't too helpful...