Introduction:
International trade refers to the exchange of goods and services across national borders. It plays a significant role in the global economy, contributing to economic growth, job creation, and improved living standards. Several factors influence international trade, and one of the critical factors is the differences in natural resources.

Explanation:
Differences in natural resources:
One of the primary reasons why international trade depends on differences in natural resources is the concept of comparative advantage. Comparative advantage suggests that countries should specialize in producing goods and services in which they have a lower opportunity cost compared to other countries. This specialization allows countries to maximize their production efficiency and resources, leading to increased output and economic growth.

Examples of natural resource differences:
1. Energy resources: Countries that possess abundant energy resources such as oil, natural gas, or coal can export these resources to other countries, contributing to their economic development. For example, countries like Saudi Arabia and Russia are major exporters of oil and natural gas.
2. Agricultural resources: Countries with fertile land, favorable climate, and ample water resources can produce agricultural products more efficiently. They can export surplus agricultural goods to countries that have a scarcity of such resources. For instance, countries like the United States, Brazil, and Australia are major exporters of agricultural products.
3. Mineral resources: Countries with rich mineral deposits can export minerals like iron ore, copper, gold, and diamonds, which are essential for industrial production. For example, countries like Australia, Chile, and South Africa are significant exporters of minerals.

Impact on international trade:
The differences in natural resources create a foundation for international trade as countries seek to exploit their comparative advantage. By specializing in the production of goods and services that align with their resource endowments, countries can engage in trade and benefit from the exchange of goods and services with other nations. This leads to the efficient allocation of resources globally and promotes economic growth and development.

Conclusion:
In conclusion, international trade depends on differences in natural resources. Countries with varying resource endowments can specialize in the production of goods and services that align with their comparative advantage. This specialization enables countries to maximize their production efficiency, engage in trade, and promote economic growth. Therefore, understanding and leveraging natural resource differences are crucial for fostering international trade and economic development.