Question

to A major constituent of green plants is cellulose. The (7) of cellulose are made up of sugars. These form of the (8) of plants. Ethanol could be produces by extracting the sugars and allowing them (9). One common North America plant that could be used in this method is Some scientists believe that this would be a more productive source of ethanol than Additionally, the source plant materials could be grown in ground which is not currently used for agriculture and is not (12) valuable. [6] (10). (11). being​

Answer 1

Ответ:

7) molecule

8) structural component

9)ferment

10)switchgrass

11) corn

12) environmentally

Объяснение:

ответы из ielts материалов

Answer 2

to be fermented. corn or sugarcane. economically