The Wrinkling of the Surface of the Brain Serves What

question 297

Multiple Choice

The wrinkling of the surface of the brain serves what purpose?

• A)It cushions the brain and protects it from trauma.
• B)It increases blood flow which brings oxygen and nutrients to neurons.
• C)It allows heat to radiate away from the brain more effectively.
• D)It increases the surface area without increasing the size of the brain.

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Definitions:

Variable Cost

A cost that varies directly with the level of production or sales volume.

High-low Method

A method applied in cost accounting that calculates fixed and variable expenses by analyzing the maximum and minimum activity levels.

Variable Component

The portion of cost or expense that varies directly with changes in output or activity level.

Pre-tax Income

Pre-tax Income is the amount of income earned by a business before any taxes have been deducted.