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Metal
PANEL
log
Permineralized wood is wood in process of becoming fully fossilised. Waterlogged driftwood may be permineralized.
it is lath
is hammering wood togehter to build a playhouse a physical change or a cemical change
It is a physical process.
Physical.
Physical Change.
50g;s
just be good with wood and hammering nails
A physical change because the chemical composition of the wood does not change.
If one's wrist is broken, one needs to treat it. Bones will heal themselves, but they need to align properly. A piece of wood is needed to make sure that the bones line up properly to recover fully in strength, movement and sensitivity.
No, no reaction takes places.
The wood largely consists of trachieds. these are lignified cells attached to each other by calcium pectate, a substance which works as a cementing material. Therefore due to elasticity of the trachieds, it is difficult to get powder of it by hammering.
A wrist brace can be mad of any type of material that is able to keep the wrist from moving. Duct tape and a piece of wood taped to the wrist can be used to make a wrist brace, if someone is unable to visit a hospital and get a proper one.
physical change