15. What challenges do commercial farmers face concerning International trade?
a. LDCs need to grow crops people in MDCs want (coffee, tea, cocoa)
b, food supplies increase despite constant demand
c. managing land properly
d. Increasing trade

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis