Which events occur when a star is forming? check all that apply.
the outer layer of the star expands.
gravity pulls gas and dust together.
a protostar forms as mass increases.
a black hole forms as the core collapses.
nuclear fusion begins under high pressure.

nucleus

would be most reasonable answer tbh

energy and particles

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.