Nathan radley tell the kids that the tree was dying ,but when they asked aticus he said it looked perfectly fine to him..nathan says the roots were dying..
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Nathan Radley said that when a tree is dying you fill is with cement to save it.
He tells them the tree is dying.
Nathan Radley tells Jem that he filled in the knothole with cement because the tree was dying and he wanted to stop it from spreading. In reality, he likely did it to prevent Boo Radley from continuing to communicate with the children.
Jem is devastated when he discovers the knothole filled with cement. He understands that Nathan Radley had destroyed the only communication Boo had with other people.
Nathan Radley knows Boo has been leaving gifts there for the children so fills the hole in with cement. When the children enquire as to why he's doing this, he lies and says that the tree was dying and this would save it.
Mr. Radley puts cement in the knothole to prevent any further communication or interaction between Boo Radley and the children. This action is driven by his desire to isolate Boo Radley from the outside world.
Jem and Scout discovered that someone had filled the knot hole with cement, sealing off the opening where gifts had previously been left for them by Boo Radley. This action by Nathan Radley signified the end of their secret communication with Boo.
Nathan Radley, Boo Radley's brother filled the knothole with cement. When Jem and Scout asked him why he was doing this he told them that his tree was dying and filling the knothole with cement would keep it from dying. Scout and Jem went and asked Atticus if he thought the tree looked like it was dying and he said it looked perfectly healthy.
Nathan Radley fills the knothole with cement to prevent the children from seeing into the house.
Boo Radley leaves gifts for the children in the knothole of the tree.
Nathan Radley fills the knothole in the tree with cement, preventing the children from receiving gifts left by Boo Radley.
Nathan Radley filled it with cement