Most of the Mass in Our Galaxy Is in the Form

question 74

Multiple Choice

Most of the mass in our galaxy is in the form of

• A) stars.
• B) gas.
• C) dust.
• D) dark matter.
• E) globular clusters.

---

Definitions:

Imprinting

A form of rapid learning occurring at a particular life stage, where a young animal forms attachments to a stimulus, often its caregiver.

Birds

Warm-blooded, feathered vertebrates of the class Aves, known for their ability to fly, although some species are flightless.

Fewer-than-normal Fiber Tracts

Refers to a condition where there are less than the typical number of neural pathways or connections within the brain, potentially impacting cognitive or sensory functions.

Autism Spectrum Disorder

Several neurodevelopmental disorders known for difficulties in social interactions, consistent repetitive behaviors, and challenges in speech and nonverbal communication.