Why is iron significant to understanding how a supernova occurs?
iron is the heaviest of all atomic nuclei, and thus no heavier elements can be made.
the fusion of iron into uranium is the reaction that drives a supernova explosion.
iron cannot release energy either by fission or fusion.
supernovae often leave behind neutron stars, which are made mostly of iron.
economy. the indus is the most important supplier of water resources to the punjab and sindh plains - it forms the backbone of agriculture and food production in pakistan. the river is especially critical as rainfall is meagre in the lower indus valley.
umm i think you are missing some of the question here
iron is the heaviest o...