If Seafloor Spreading Creates New Lithosphere,does the Size of Earth

question 92

Multiple Choice

If seafloor spreading creates new lithosphere,does the size of Earth change?

• A)Yes,Earth is getting larger.
• B)No,the extra crust is crumpled up to form mountains.
• C)No,older crust is recycled back into the asthenosphere.
• D)Yes,the Earth is shrinking because it is cooling.

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Definitions:

Azygos Vein

A major vein located in the thoracic cavity that drains blood from the thorax to the superior vena cava.

Posterior Intercostal

Referring to the muscles and arteries located between the ribs at the back of the chest, which are involved in the mechanical aspect of breathing.

Internal Iliac Artery

An artery that supplies blood to the pelvis, gluteal region, and reproductive organs.

Pelvic Area

The lower part of the torso, located between the abdomen and the thighs, encompassing the pelvis bones and reproductive organs.