Which of the following is the raw material from which sedimentary rocks are formed?

a. lava from volcanic eruptions
b. magma from the mantle
c. weathered remains of other rocks
d. none of these

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.