The abiotic parts of an ecosystem are water, soil, air and dead organic matter. The correct options among all the options that are given in the question are the second, fourth, sixth and seventh options. They are basically non-living things that are present in the ecosystem. I hope it helps you.
After its main sequence a medium sized star like our sun becomes a red giant, it grows a lot bigger that it's regular size that it will burn earth into ciders, after that it will eject its own nebula and fade away as a dwarf star.
The two largest metropolitan in Canada are Toronto and
Montreal. Toronto lies in the province of Ontario and Montreal lies in the
province of Quebec. These are huge metropolitan cities having great amount of
population. Canada is a country that has got a huge number of immigrants coming
in to the country. This process has been going on for the last 30 years. This
did have a direct impact on the culture of the society. Many metropolitans like
Toronto and Montreal have seen the highest amount of people coming in.