What is often found in the middle of manganese nodules?
a. Microtektites
b. Shark teeth or bone fragments
c. Living bacteria
d. Sand grains
ANS: B
There is often a nuclei of sorts in the center of manganese nodules. This can be shark teeth, bone
fragments, or the skeletons of microscopic plankton. Information can be found in the section Pelagic
Sediments Vary in Composition and Thickness.
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Fill in the blank(s) with correct word