The Major Source of Free Oxygen in the Atmosphere Is

question 68

Multiple Choice

The major source of free oxygen in the atmosphere is from ______ .

• A) water
• B) silicate minerals
• C) glaciers
• D) green plants
• E) molten rock

---

Definitions:

Bony Junctions

The connections between bones, often referring to joints or areas where bones meet and articulate.

Synovial Joint

A type of movable joint encapsulated in a synovial membrane that secretes lubricating synovial fluid, allowing smooth movement between bones.

Atlantooccipital

Referring to the joint connecting the atlas (the first cervical vertebra) and the occipital bone of the skull, allowing for nodding and rotation of the head.

Epiphyseal Plate

A hyaline cartilage plate in the metaphysis at each end of a long bone, the site of bone growth in length.