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Tiny amounts of lithium and beryllium were formed in the big bang.
Perform Successfully
Achieving or exceeding the set goals, standards, or expectations through competence, skill, or knowledge.
Goal Difficulty
The challenge associated with achieving a specific goal, often affecting motivation and performance.
Challenging
Referring to a task or situation that is demanding and tests one's abilities or resources.
Optimal Level
The most favorable, effective, or desirable degree or quantity of something for achieving a specific outcome.
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