Discover Questions

In which quadrant does the terminal side of a -300 degree angle lie? Are there any Galaxy moving inward toward the center of mass of the Universe with increasing orbital speeds? In the cross MmNn x MmNn, what is the phenotypic ratio? Are every two different primes relatively prime? Explain.? If photon is believed to have no rest mass at speed = zero,then what would be its mass at near light speed= C?