Final answer:
The four agricultural commodities from the provided list are wheat, sugar, coffee, and corn. These crops are grown for sale and are often key exports of agriculture-oriented regions or countries.
Step-by-step explanation:
The question seeks to identify which items from a given list are considered agricultural commodities. An agricultural commodity is typically a crop or food product that is cultivated to be sold and is often a primary commodity of a country or region. Examples of agricultural commodities include items such as sugar, coffee, and corn, which are grown in large quantities for both domestic consumption and for export. In contrast, natural resources such as natural gas, crude oil, and minerals like silver are not classified as agricultural commodities because they are not cultivated crops but rather extracted from the earth.
Based on the provided list, the four agricultural commodities are: