What three geographical of Oceania and what is the biggest problem they face today? HURRY

Explanation:

Three major environmental challenges in Oceania are:

1. Sea level rising;

The rising of the sea level is presenting a huge challenge and danger for multiple island countries in Oceania. This is because some of the islands have very small elevation, and are in danger of getting bellow the water level with the current trends of the sea level rising.

2. Erosion;

The climate in Oceania is warm and humid, and those are the perfect conditions for rapid erosion. Since most of the islands are relatively small, any loss of land because of erosion means less arable land, less stable land, less land mass in general.

3. Water pollution;

Even though it is not the Oceania's countries to blame for it, the water pollution in the Pacific is increasing and causes more and more damage to the biodiversity in the region. Since the people living in Oceania are heavily dependent on sea food, this is becoming bigger and bigger problem, that can lead to either sea food with toxic materials, or insufficient food from the sea.

Oceania is a region made up of thousands of islands throughout the Central and South Pacific Ocean. It includes Australia, the smallest continent in terms of total land area. ... Oceania also includes three island regions: Melanesia, Micronesia, and Polynesia (including the U.S. state of Hawaii). In fact, many scientists argue that Australia and Oceania is the continent most vulnerable to climate change because of its climate and geography. The heavily coastal populations of the continent's small islands are vulnerable to flooding and erosion because of sea level rise.

Explanation:

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