Answer:
Staple foods vary from place to place, but typically they are inexpensive or readily available foods that supply one or more of the three organic macronutrients needed for survival and health: carbohydrates, proteins, and fats. Typical examples of staples include tuber- or root-crops, grains, legumes, and other seeds.
Answer:
the auther develops the key ideas with the help of nature
I think it is A or C but it might be A
Hope this helps ;)
Answer:
The source is outdated
Explanation:
The source is outdated. According to the title line, this source is from 1913 and is therefore outdated and inappropriate for current cancer developments. A dictionary, even with little information, can be an appropriate source for documented definitions. Additional irrelevant information can be disregarded.