The Unified Model Describes Active Galactic Nuclei Using

question 139

Multiple Choice

The unified model describes active galactic nuclei using

• A)a supermassive black hole at the center of a normal spiral galaxy.
• B)a supermassive black hole surrounded by an accretion disk and dense disk of gas.
• C)an accretion disk around a neutron star.
• D)gravitational lenses to intensify the radiation coming from them.
• E)different lines of sight toward and dwarf irregular galaxy.

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Definitions:

Objective Morality

The perception of morality as objective, that is, as existing outside the cognitive functioning of people.

Piaget's Theory

A theory of cognitive development that describes how children construct a mental model of the world through stages of learning.

Active Discovery

A learning approach where individuals learn by engaging directly with materials, environments, or situations, leading to increased understanding and retention of knowledge.

Piaget's Theory

A developmental theory by Jean Piaget that outlines how children's cognitive abilities progress through four stages.