According to Our Present Theory of Solar System Formation, Which

question 115

Multiple Choice

According to our present theory of solar system formation, which of the following best explains why the solar nebula ended up with a disk shape as it collapsed?

• A)The force of gravity pulled the material downward into a flat disk.
• B)It was fairly flat to begin with, and retained this flat shape as it collapsed.
• C)The law of conservation of energy
• D)It flattened as a natural consequence of collisions between particles in the nebula.

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Definitions:

Axial Skeleton

The part of the skeleton that consists of the bones along the axis of the body, including the skull, vertebral column, and rib cage.

Facial Skeleton

The framework of bones that supports the face, including the jaw, cheekbones, and nasal bones.

Thoracic Skeleton

The part of the skeleton that comprises the ribs, thoracic vertebrae, and sternum, providing protection and support to the thorax.

Appendicular Skeleton

The Appendicular Skeleton comprises the bones of the limbs and girdles that are attached to the axial skeleton, facilitating movement and supporting the weight of the body.