Wind blowing across the water creates friction and pulls the water along with it. This creates small waves. these waves then slowly build as they go farther until you get a large wave.
Both black holes and neutron stars are corpses of stars that died in catastrophic explosions known as supernovas, outbursts that can make a star briefly outshine all of the other stars in its galaxy. When a star goes supernova, the core of its remains collapses under the strength of its own gravitational pull.
First blank: The mobility of their hosts same goes for the second one :)
1/3 probability would be the answer