What is a multilevel timeline?

The answer for your problem would be a. 7

Genetically modified corn is a very controversial issue because of the potential benefits that it can bring, but also the potential for it to bring problems in the future. genetically modified corn can be beneficial in the developing world because it can be modified to be resistant to drought, or pesticide, and therefore the crop is stronger and easier to grow. however, the use of gmo corn can also be problematic because they decrease the diversity in the types of seeds that are used to grow food and also can make farmers dependent on the seeds from companies because they can only be used once to grow corn. 

Britain needed money to pay for its war debts. the king and parliament believed they had the right to tax the colonies. they decided to require several kinds of taxes from the colonists to pay for the french and indian war. they protested, saying that these taxes violated their rights as british citizens.