The Location of the Earth in the Milky Way Galaxy

question 16

Multiple Choice

The location of the Earth in the Milky Way Galaxy is

• A) in the center of the Galaxy
• B) on the edge of the Galaxy as far from the center as you can measure
• C) a little less than 30,000 LY from the center
• D) something astronomers have not yet measured
• E) this is a trick question: the Earth is not located in the Milky Way Galaxy

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Definitions:

Brush Border

A densely packed layer of microvilli found on the apical surface of epithelial cells in the small intestine, enhancing nutrient absorption.

Microvilli

Fingerlike projections from the plasma membrane of an epithelial cell; increase surface area of the cell.

Acidic Secretions

Fluids produced by cells or glands that contain a high concentration of acid, like stomach acid, aiding in digestion and other processes.

Carbohydrate-Digesting Enzyme

Enzymes that catalyze the breakdown of carbohydrates into simple sugars, facilitating their absorption and utilization by the body.