IheartAnimals09 IheartAnimals09

19-09-2020
Biology

contestada

What causes tree bark to become darker?

Respuesta :

bowenskids09 bowenskids09

19-09-2020

Explanation:

Maybe how old the tree is? Like when it gets covered in dirt and stuff.

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8242joyr 8242joyr

19-09-2020

Answer:

Coal burning released large amounts of smoke and smog into the surrounding environment; this left a layer of black soot on the once lighter-colored trees. sorry i put the explanation in the answer

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