Corn makes up more than 10% of global food production. A significant fraction of the world would not 'survive' if those fields of corn suddenly disappeared.
A better example would be specifically corn used for ethanol because driving a car is not essential for survival.
The other two examples seem valid. Replacing part of your meat consumption with corn would reduce the required agricultural land.
A better example would be specifically corn used for ethanol because driving a car is not essential for survival.
The other two examples seem valid. Replacing part of your meat consumption with corn would reduce the required agricultural land.