Answer:
D. Water Depths and navigation routes
Explanation:
Nautical maps are co mmonly used by sailors to guide the ship along sea routes to navigate safely across the ocean while being aware of the depth of the water as if say the water was too shallow, this may lead to the ship to becoming unstable or stuck.
Different regions have different available resources. The need for certain resources is sometimes greater than resource availability in a given area. This leads the necessity to acquire needed resources from another area. Countries can export or import resources based on need, but there is algo the concern of finances as well.
Australia is an island country, and besides the big main island and Tasmania, it has around 12,000 islands plus on its territory. Since it doesn't have any land borders, its border line is actually the sum of all coastlines of all islands in its territory, and that accounts for 70,000 km.
New South Wales is the biggest state in the country, and it is roughly around 10% of the total territory of Australia. Its border is 4,635 km, so that means it has 6.62% of the total border line of Australia.
Global warming, loss of natural habitats, extinction of multiple species, etc
