South america has mostly been settled

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range

(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

Horizon a is also sometimes called a. topsoil b. subsoil c. bedrock d. weathered bedrock