Answer:
1: Production was <u><em>kept secret</em></u><u>.</u>
2: To have a <em><u>monopoly</u></em> on it.
3: The first use of papyrus take place around 4000 BC
4: The Raw material of papyrus paper comes from <u><em>Cyperus papyrus.</em></u>
5: Papyrus was also used in the manufacture of <u><em>boats, mats, sandals ropes and baskets.</em></u>
6:
a)The single most important and valuable product of papyrus was <em><u>papyrus paper.</u></em>
b)It revolutionized <u><em>The way of keeping valuable information.</em></u>
7: There was no substitution for papyrus paper until the development <em>pulped paper by the Arabs.</em>
8:
a) Disadvantage of pulp paper: Pulp paper was not as durable as papyrus paper.
b) Advantage of pulp paper: Making pulp paper was very easy than making papyrus paper.
9: The introduction of pulp paper caused a decline in papyrus paper making, which ultimately reduced papyrus plant cultivation, and eventually papyrus plant completely disappeared from areas surrounding the Nile.
10: Papyrus paper making was revived around the 1960's.
11: Dr. Hassan Ragab, an Egyptian Scientist reintroduced papyrus plant and planted it in near Cairo. Dr. Hassan Ragab was a scientist.
Explanation:
Papyrus paper is similar to thick paper. It was made from the pith a papyrus plant (scientific name: <em>Cyperus papyrus</em>). The word "papyrus" also refers to any document written on papyrus paper.
Papyrus plant is still used by many communities living near swamps in East and Central Africa. They use it for making hats, mats, baskets, fish traps and trays, both for selling and for their own use.
