Assessment Choose the letter of the best answer then write it on a separate sheet of paper.

1. A substance in the air that is given- off by trees and is beneficial to human beings.
a. carbon dioxide b. carbon monoxide
c. erosion d. oxygen

2. Kim wanted to gain more profit in selling his seedlings from his nursery by piece. What method of marketing seedlings Kim used?
a. cooperatives b. middleman c. retail
d. wholesale

3. This is one of the products of trees made from fiber and harvested from wood pulp.
a. paper b. rubber c. turpentine d. wood

4. The following are some importance of marketing seedlings. Which among the choices are correct? I. to ensure the physical condition of seedlings II. to preserve the quality of seedlings III. to decrease the number of plant species IV, a way of increasing the production of trees and fruit-bearing trees
a. I, III, IV
b. II, III, IV
c. I, II, IV
d. I, II, III​