Find out how much cellulose is made by all the plants in the biosphere and compare it with how much paper is manufactured by man,and hence determine the annual consumption of plant material by man. What a loss of vegetation!

(N/A) Approximately $100$ billion tonnes of cellulose are produced annually by all plants in the biosphere. It is estimated that it takes approximately $17$ full-grown trees to manufacture one ton of paper. Trees are also extensively used to fulfill other human requirements such as timber,food,medicines,and fuel. Due to these diverse and widespread uses,it is difficult to calculate the exact annual consumption of plant material by man,but it represents a significant loss of vegetation.