Hemisphere position

sea ​​and land location

Latitude position

The land is flat and the continent with the gentlest undulations in the world.

Three major terrain areas

murray river

Characteristics: hot and dry. The climate forms a semi-circular distribution that opens to the west.

Type: complex and diverse. The climate is dominated by tropical desert and savannah, and precipitation decreases from the north, east, and south toward the interior.

There are rich biological species, such as:

reason:

agricultural property

Industry and mining

The service industry has become the backbone of the economy

Australia's population and cities are concentrated along the southeastern coast.

Australia's largest industrial and commercial port city is Sydney, and the second largest city is Melbourne.

Sub-Saharan Africa

southern hemisphere, eastern hemisphere

Bordered by the Indian Ocean to the east and the Atlantic Ocean to the west

Most are in the tropics, with a few in the south temperate zone

Tropical rainforest climate

savannah climate

tropical desert climate

Mediterranean climate

Mainly plateaus, but also basins

Low in the north and high in the south

congo river

Nile River (the longest river in the world)

Rich mineral resources

Rich biological resources

"The Home of the Black Race"

Sub-Saharan Africa is the home of black people

Sub-Saharan Africa is one of the cradles of human civilization, in which black people have made important contributions

status quo:

Reason: Long-term occupation and plunder by colonialists in history

measure:

Population is growing too fast

food shortage

Environmental degradation