3. what portion of the solid waste produced in the united states is agri-
cultural waste?

13%

Explanation:

The United States are one of the biggest producers of waste in the world. This should not come as a surprise considering that it is the country with the strongest economy, as well as having large population. The agriculture is highly developed in the United States, and while this results in high quality and high quantity of agricultural products being produced, it also creates lot of waste. The agriculture accounts for around 13% of the total solid waste produced by the United States, putting it on second place, only being behind the mining, oil and gas.

it would be heredity