Vieš, ako sa určuje vek stromu? Vek sa určuje na základe letokruhov. Každý letokruh znamená jeden rok života stromu. Ty ho môžeš ľahko zistiť tak, keď spočítaš letokruhy na vyrúbanom strome. Takže, keď pôjdeš do lesa, tak pohľadaj nejaký pník a spočítaj letokruhy. Vyrátaj aj vek vyrúbaných stromov na obrázku a zapíš ho do štvorčeka. Ktorý strom je najstarší, a ktorý je najmladší? Je to zábava, však?
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