Question

understanding scientific texts — quiz — level c
grandparents and parents share everything they know about growing corn with their children. when the children are older, they carry on the tradition of running the farm. but lately, temperatures in the corn belt have gotten warmer. more rain than usual falls every year. because of the changes in weather, corn farmers are sometimes forced to do things differently than they have in the past.
what important work do farmers do in middle of the united states?
they grow most of the worlds corn.
they ride most of the worlds tractors.
they raise most of the worlds animals.
they provide most of the worlds fuel.
farmers harvest, or pick, corn at the end of the season.

Explanation:

The text focuses on corn - farming in the Corn Belt of the United States. It mentions that farmers in this area grow corn, and due to weather changes, they have to adapt their farming methods. The main work of these farmers is growing corn.

Answer:

They grow most of the world's corn.