Heavy manufacturing developed in the midwest because  of the rich supply of iron ore and coal natural gas and oil fertile soil gold and silver

(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

What is the main source of phosphorus?

What is the best evidence for the plate tectonics?