The amount of a crop that a farmer can harvest per acre is referred to as crop yield. farmers have been able to increase their crop yield by adopting the use of genetically modified (gm) crops. one reason farmers often choose gm crops over non-gm crops is because gm crops are

 One reason farmers often choose GM crops over non-GM crops is because GM crops are able to produce more yield. When farmers use GM crops, there are many benefits that they could gain. It has been proven that GM crops are more resistant to pests, and other harmful substances, which also reduce the costs for pesticides and crop-maintenance. Since GM crops are more resistant to harmful substances, more of them can be used by farmers.

Three reasons of the deaths of native americans: new illnesses that their immune systems couldn't cope with. genocides so the settlers could have the good land.starvation from lack of rations and poor infertile land on resevations

It would be the equator.