An Oak Tree Was Planted 22 Years Ago

question 24

Multiple Choice

An oak tree was planted 22 years Ago.How many seconds does this correspond to? (Do not take leap days into account. )

• A)6.9 × 10⁸
• B)1.2 × 10⁷
• C)2.9 × 10⁷
• D)2.8 × 10⁸

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Definitions:

Gower Sign

A clinical sign indicating weakness of the proximal muscles, notably those of the lower limb, where the individual uses their hands and arms to "walk" up their own body from a squatting position due to lack of hip and thigh muscle strength.

Lordosis

A condition characterized by an excessive inward curve of the spine, typically in the lower back, leading to a pronounced posture.

Guillain-Barré Syndrome

A rare disorder where the body's immune system attacks the nerves, leading to muscle weakness and sometimes paralysis.

Cerebral Spinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, serving as a cushion and delivering nutrients.