Negative space defines and emphasises the main subject of a photo, drawing your eye to it. it provides "breathing room", giving your eyes somewhere to rest and preventing your image from appearing too cluttered with "stuff". all of this adds up to a more engaging composition.
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c. Composition
Hope it helps.
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Since ancient times, people around the world painted animals on the rock walls of caves and shelters, I think is False.
Pros: https://www.tracking-system.com/news/3-tracking-system-information/1200-benefits-of-gps-on-phone.htm......
https://www.trails.com/facts_10153_what-benefits-gps-cell-phones.html
Pros/Cons: http://smallbusiness.chron.com/advantages-disadvantages-cellphone-tracking-34399.html
http://www.trackapartner.com/pros-and-cons-of-cell-phone-tracking