The combined effect of two drugs, each producing the same biological respons by the same mechanism of action, is equal to the sum of their individual effects. a) additive effectsb) antagonismc) incompatibilityd) summatione) tolerancef) synergism

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.