All of the following statements are true of mining minerals from the ocean except: a. mining for deep-water deposits is just as easy as mining for continental shelf deposits. c. minerals can be found in even the deepest parts of the ocean. b. petroleum and oil can be mined from the continental shelf. d. valuable minerals such as diamonds and gold can be found in deep-water deposits.

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

friedrich meischer discovered it in white blood cell