What type of plate boundary could form a mountain chain of sedimentary rock? answer now

a. divergent boundary of oceanic crust and continental crust
b. convergent boundary of two continental crusts
c. convergent boundary of oceanic crust and continental crust
d. divergent boundary between two oceanic crusts

format change of dna.  

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

i think its y= -4x-14