Variations in the Shape of the Earth's Orbit

question 14

Multiple Choice

Variations in the shape of the earth's orbit:

• A)have a cycle of about three million years.
• B)have a cycle of about 100,000 years.
• C)will eventually lead to the earth having a perfectly circular orbit.
• D)are related to changes in sunspot activity on the surface of the Sun.

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Definitions:

Mental Disorders

Conditions characterized by significant disturbances in thoughts, emotions, or behavior, affecting functioning and quality of life.

Genetic

Relating to genes or heredity, and the influence of genes on the physical and behavioral characteristics of organisms.

Biological Defects

Inherent physiological or genetic abnormalities that affect an organism's normal function.

Social Class

A categorization of society according to socio-economic levels.