How Does the Stellar Population Within a Few Parsecs of the Galactic

question 30

Multiple Choice

How does the stellar population within a few parsecs of the galactic center differ from the rest of the bulge?

• A) It is made up of more massive stars.
• B) It is made up of redder stars.
• C) It is made up of lower metallicity stars.
• D) It is made up of stars with slower orbital velocities.

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Definitions:

Nitrogen Fixation

Nitrogen fixation is a process by which nitrogen gas from the atmosphere is converted into ammonia or related nitrogenous compounds in soil, making nitrogen accessible to living organisms.

Ammonia

A colorless gas with a pungent smell, consisting of nitrogen and hydrogen (NH3), used in various industrial processes and as a fertilizer.

Carbon Transfer

The movement of carbon among the Earth's atmosphere, oceans, biosphere, and geosphere, part of the global carbon cycle.

Cellular Respiration

The process by which cells convert glucose and oxygen into ATP (energy), releasing carbon dioxide and water as byproducts.