Hypothesis. A blackboard with white text. Illustration with grunge text style.
Schlüsselwörter
hypothesis,
assumption,
theory,
proposition,
speculation,
idea,
imagining,
prediction,
explanation,
research,
experiment,
datum,
analysis,
evidence,
conclusion,
validation,
modification,
letter,
business,
badge,
card,
message,
signs,
phrase,
poster,
word,
illustration,
background,
text
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