During the Evolution of the Earth's Atmosphere, When Enough Oxygen

question 25

Short Answer

During the evolution of the Earth's atmosphere, when enough oxygen had accumulated in seawater, iron-rich minerals precipitated on the sea floor and became the __________ __________ formations that are mined for iron today.

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Definitions:

Glenoid Labrum

A fibrocartilaginous rim attached to the margin of the glenoid cavity in the shoulder, contributing to joint stability.

Acetabular Labrum

A ring of cartilage that surrounds the acetabulum (hip socket) enhancing its depth and stability, and cushioning the hip joint.

Anterior Cruciate Ligament

A key ligament located within the knee that connects the thigh bone (femur) to the shin bone (tibia), crucial for stabilizing the knee joint.

Tibia

A large bone located in the lower leg, also known as the shinbone, that bears much of the body’s weight.