Approximately How Many Exoplanets Had Been Confirmed as of 2019

question 98

Multiple Choice

Approximately how many exoplanets had been confirmed as of 2019?

• A) about 4000
• B) about 3000
• C) about 300
• D) about 40

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Definitions:

Social Motivation

The drive to engage in activities or behaviors based on social factors, such as the need for approval, belonging, or conformity to group norms.

Achievement Motivation

The drive or desire within an individual to set and accomplish challenging goals, surpass standards of excellence, and persist in the face of obstacles.

Fear Motivation

The driving force behind actions that aim to avoid negative outcomes or dangers.

Productive Forgetting

The beneficial aspect of forgetting that allows individuals to discard irrelevant or outdated information, enhancing learning and decision-making efficiency.