According to the Text, Which Country Accounts for 46% of World

question 6

Multiple Choice

According to the text, which country accounts for 46% of world military spending?

• A) Iran
• B) North Korea
• C) The United States
• D) Russia

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Definitions:

Myelin Sheath

A fatty layer that surrounds nerve fibers, providing insulation and enhancing electrical transmission along the neuron.

Nerve Impulse Conduction

The process by which electrical signals are transmitted along a nerve fiber, facilitating communication between the brain and different parts of the body.

Electric Insulator

A material whose internal electric charges do not flow freely, making it capable of preventing the passage of electric current.

Ependymal Cells

Glial cells that line the ventricles in the brain and the central canal of the spinal cord, involved in the production and circulation of cerebrospinal fluid.