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foxyinspace_
Árvores registram o tempo no próprio “corpo”. Quando você olha a seção do tronco (o “disco” cortado), aquelas linhas concêntricas são anéis de crescimento. Em muitas espécies (principalmente de clima com estações bem marcadas), cada anel costuma representar 1 ano: • Na época de crescimento rápido (primavera\/verão), a madeira fica mais “clara” e menos densa. #2025internationalshortvideocompetition #fyp #ciência #fisica
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