Why do humans genetically modify organisms, especially crops that produce important food items that we rely on for nutrients?

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .