Answer:
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Lake Tanganyika–like all of the other African Rift lakes except for Lake Victoria–lies in a graben (a down-dropped block of land bounded by extensional, or normal, faults) along the axis of the great rift. I think this is correct im not to sure but i hope it helps
Explanation:
A coral is a type of Marine animal (Invertebrate) that secretes calcium carbonate to form an organic rock home.
A stalactite and a stalagmite are the two cave formations that join to form a column. The correct option among all the options that are given in the question is the third option or option "c". Speleothems are considered as the most common type of stalactite. I hope the answer helps you.