Answer:
high efficiency particulate air
Explanation:
One example would be the chemicals they use in the soil to make the plants grow faster and another example would be chemicals they use to kill pest so they wont eat the crops or you could say bioengineering has enhanced the crops
A. The correct answer is Glucose
:DI think it might be C. ,but i am not sure please comment if i am wrong or right also have a Great day! :D