Due to rapid urbanization fueled by trade, approximately 87 percent of people live in urban areas of Australia. The correct option among all the options that are given in the question is the first option or option "A". A large part of Australia is covered in jungle and so major cities are places where people flock the most.
1. Destroying the ecosystems.
2. Destroying agricultural land and thus creating problems in food production.
3. Pollution of water.
4. Micro climate changes.
5. Pollution of air.
6. Sound pollution.
Brazil would be the best choice for a year-round agricultural cycle
Workers who work to preserve/help the environment. Such as people that design solar panels or farmers.