Although there are few natural and mineral resources in the northeast, can be found in the state of pennsylvania.
a. copper
c. coal
b. silver
d. oil

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves

(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