Geology could be your calling!
What do you think lava is?
4. A Soil profile is a slice crosswise through the layers of the soil. Choose the answer below that has the layers in the correct order--top to bottom
a)subsoil, topsoil, bedrock, weathered rock
b) topsoil, bedrock, weathered rock, subsoil
c)bedrock, subsoil, weathered rock, topsoil
d) top soil, subsoil, weathered rock, bedrock
