Major Deposits of Silicous Oozes from the Radiolaria Are Found

question 73

Multiple Choice

Major deposits of silicous oozes from the radiolaria are found centered on which latitudes?

• A) 5 °N
• B) 20 °N and S
• C) 30 °N and S
• D) 45 °N and S
• E) 65 °N and S

---

Definitions:

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull that houses the pituitary gland.

Sphenoid Bone

A butterfly-shaped bone at the base of the skull that is connected to all other skull bones.

Hyoid

A U-shaped bone in the neck that supports the tongue and provides attachment for muscles associated with swallowing.

Crista Galli

A vertical protrusion of the ethmoid bone in the brain that serves as an attachment point for the falx cerebri, a membrane that divides the two cerebral hemispheres.