Which statement describes Sydney, Australia? O It is the largest city in Australia.
O It is the smallest city in Australia.
O It is located in the Outback.
O It is both an island and a city.

Right answer is A!!!

It is largest city in Australia and it is located in outback

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.