What percentage of total farm income comes from U.S. agricultural exports?

The correct choice indicates that 20 to 30 percent of total farm income in the U.S. comes from agricultural exports, which reflects a significant part of the agricultural economy. U.S. agricultural exports are crucial for many farmers and ranchers, as these exports provide access to international markets where demand can drive higher prices for commodities.

This percentage encompasses various agricultural products ranging from grains and livestock to processed foods. The U.S. is one of the largest exporters of agricultural goods in the world, making this income vital for many sectors within agriculture. The reliance on exports can be attributed to the competitive advantage gained through the production of high-quality and diverse agricultural products.

The levels represented by the other choices do not accurately reflect the importance of agricultural exports in contributing to total farm income. Understanding this relationship highlights the significance of international trade policies and the dynamics of global market demands for U.S. farmers.