A, is the rational number expressing the amount of paper recycling more than 1/2 or less then 1/2.

B, which items have a recycled amount less than 1/2 ?

C, is the quantity of aluminium cans recycled more ( or less ) than half of the quantity of aluminium cans ?

D, arrange the rate of recycling the materials from the greatest to the smallest

Experts pls send answers of this question