Why Is It Important That We Have a Rigid Lithosphere

question 105

Multiple Choice

Why is it important that we have a rigid lithosphere overlying a weak asthenosphere?

• A)If we did not have the rigid lithosphere and weak asthenosphere,the earth would not have plate tectonics and would be covered entirely by water.
• B)If we did not have the rigid lithosphere and weak asthenosphere,the atmosphere would be very different with either too much ammonia and methane or too little oxygen and water.
• C)If we did not have the rigid lithosphere and weak asthenosphere,we would be bombarded by cosmic rays that would strip away our atmosphere.
• D)If we did not have the rigid lithosphere and weak asthenosphere,we would be bombarded by meteorites and we would not be able to hold the moon in orbit.

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Definitions:

Inferior

Situated below or directed downward; in anatomy, used to denote the lower portion of a structure or the body.

Lateral

Positioned on or relating to the side of a body or structure.

Heart

The heart is a muscular organ responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, supplying oxygen and nutrients to the body while removing carbon dioxide and other wastes.

Parasagittal

A plane or section that is parallel to the sagittal plane but is offset from the midline of the body.