The table below compares the economies of two countries.

country a country b
primary exports are steel, electronics, lumber, and food products primary exports are natural gas and wheat

which statement is accurate based on the information in the table?
country a's economy is more diversified than country b's economy
country b's economy is more diversified than country a's economy
the economies of both countries are equal in level of diversification
the economies of both countries can be described as single resource