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Tannin . It is used for ink and dyes and in the leather making industry.
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How do oak trees communicate?
Oak trees interact with the things that eat the bark or the acorns. It also interacts by growing and shedding leaves
What are corks made out of?
The bark of cork trees. Often the Cork Oak. This does not damage the tree.
Is the African oak tree edible?
The African oak trees are not edible. They can be found in the country of Africa and grow to be very tall with a reddish-brown coloration on its bark.
Is cork man made?
http://science.howstuffworks.com/question550.htm Cork comes from the bark of Quercus suber.
Is a cork cell animal or plant?
Cork is a plant cell; it is the bark of the "cork oak" a type of oak tree that grows in Spain and similar climates.
What is bark made out of?
Bark is from trees. The trees grow bark to protect the tree.
Which part of a oak tree is like your skin?
the bark is the part of an oak tree that is most like a human skin
What kind of trees turn red in autumn?
trees shed leaves and sometimes bark bark bark
Do oak trees have conkers?
No oak trees have acorns.
What type of wood does an oak tree have?
The oak tree has thick bark. In fact the Cork Oak has such thick bark it is used for cork boards.
What tree does an acorn come from?
An Oak treeAcorns come from oak trees.
What factors apart from acid rain could be killing trees?
Bark boring beetles that carry a fatal virus.
