What are two effects of hybrid corn? Check the box next to each detail you choose.
There are healthier varieties of corn.
The corn cannot withstand a drought.
There are more pests.
There is a four-crop rotation cycle.
Farmers only grow one crop.
Farmers in other parts of the world are suffering.
The soil is full of more nutrients than ever.
Look at the graph on page 16. Based on the passage, what may have caused the decline in 2012? Choose two answers.
Farmers began planting crops that were genetically modified.
Disease and pests wiped out many of the crops.
Farmers began planting only one type of crop.
The crops were filled with allergens and toxins that year.
The nutrients in the soil were becoming too depleted.