| A | B |
| allergic | having a bad reaction to eating or touching something |
| battle | a fight or conflict |
| compulsory | necessary because someone in authority says you must |
| confine | to keep something within a certain area |
| conventional | behaving in a way that is accepted as normal in society |
| digestion | the process of the body taking nutrients from food |
| diligent | hard-working in a careful and thorough way |
| diminish | to reduce in size, importance, or intensity |
| feasible | possible, able, to be done |
| gene | the part of a cell in a living thing that controls its physical characteristics, growth, and development |
| integral | necessary because it is an essential part of something |
| nationwide | happening or existing in all parts of a country |
| notwithstanding | nevertheless |
| nutrition | the process of the body taking and absorbing nutrients from food |
| optimistic | hopeful about the future or the success of something |
| pest | an insect or other small animal that damages crops |
| pioneer | one of the first people to do something |
| revolution | a very great change in the way that something is done or made |
| skeptic | a person who has doubts about things that other people believe in |
| contaminate | to make something dirty or harmful |