What is the pattern to plate boundaries

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa

Over half of the african-american population in the united states live in

(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