Manganese nodules are

a. manganese salts that concentrate when seawater evaporates.
b. lumps of manganese and other metals found on the ocean floor.
c. deposits of manganese and iron deep under the ocean floor.
d. chunks of pure manganese found in deep-sea trenches.

Which statement about new zealand’s first inhabitants is not true? a. the maori have no political power today. b. the origin of the maori is in dispute by scholars. c. the maori are trying to reassert their claims to the land. d. the maori lost most of their land in the 1800s to the british colonists. (gradpoint)