Final answer:
The statement is a) true as large-scale farms in the United States utilize advanced technology to efficiently produce a significant portion of the country's agricultural products.
Step-by-step explanation:
The statement 'Large farms produce more than half of all agricultural products in the USA' is a) true.
A significant portion of the United States land is dedicated to agriculture, with large-scale farms utilizing modern technology and machinery to grow single crops (monocultures) and livestock production systems where animals are highly concentrated.
These large farms are highly productive and efficient, leading to their dominance in the agricultural sector and their substantial contribution to the total production of agricultural products.