The correct answer is D. Small nations are less active in world trade.
Explanation
Oceania is a continent made up mainly of islands, among which Australia and New Zealand stand out internationally. However, the rest of the countries are very little known internationally and do not actively participate in trade because they do not have large industries, nor are they sources of natural resources. These islands are mainly considered tourist destinations for their tourist attractions. Therefore, the correct answer is D. Small nations are less active in world trade.
High salt content in soil limits the ability of seeds to germinate, as well as plant growth and crop yields. Controlled leaching, typically through irrigation, removes or reduces to the total salt content in the soil, allowing for healthier crops.
The best climate control elevation that clarifies the difference in vegetation and terrain between the two sides of the mountain - the basin floors beyond Leeward side.
The height determines the temperature of the area, which determines the vegetation. As more rainfall is recorded towards the wind, evergreen trees are also found there.
The Richter scale is used, from 0.1 to 9.0 magnitude. The Richter scale is determined from the logarithm of the amplitude of waves recorded by seismographs.