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Explain how we can estimate that there are about 50- 100 billion galaxies in the observable universe.
Extrinsic Motivation
Motivation that is driven by external rewards such as money, fame, grades, and praise.
Subject Interesting
A subjective assessment indicating how much an individual is intrigued, engaged, or finds a specific topic or activity appealing.
Drive Motivation
An internal state that energizes, orients, and selects behavior to fulfill a need or achieve a goal.
Extrinsic Motivation
Motivation driven by external rewards such as money, fame, grades, or praise, rather than by intrinsic satisfaction in the activity itself.
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