What is at the bottom of a black hole ??

أفضل جواب: E)    Supply management can work collaboratively with suppliers to discover opportunities to lower costs, ... الإطلاع على المزيد

أفضل جواب: <p>holes are positively charged particles in semiconductors and they have a well-defined mass so it ... الإطلاع على المزيد

أفضل جواب: Agree with experts. thanks for invitation to answer the question   الإطلاع على المزيد

أفضل جواب: <p>Appreciate if you could kindly explain the question.</p> الإطلاع على المزيد