every member of the body is important because the body can't function effectively without the use of each member.
The answer is:
to provide the history of sugar cane use.
In the excerpt from "Sugar Changed the World," the authors Budhos and Aronson make reference to a series of past circumstances around the world realated to the sugar cane. Thus, they introduce a chronological written description of past events, which begin with the first planting of sugar cane in New Guinea between 8000-7000 BC to the first observation of sugar cane in China in 286 BC.
What is photosynthesis ?

The process through which green plants prepare their own food is known as photosynthesis.

<u>Photosynthesis- The food making process in Plants:</u>
The synthesis of food in plants occurs in their leaves. Hence, leaves are called the food factories of the plants. The leaves have a green pigment called chlorophyll. It helps leaves to capture the energy of the sunlight. This energy is used by the pants to synthesise their food using carbon dioxide and water. This process is known as Photosynthesis.
(photo = light ; synthesise = to combine) as it takes place in the presence of sunlight.
