Roughage or fibre cannot be digested. This includes all plant material (ie. fruit and vegetables) - the cellulose cell wall around all plant cells is too tough to be broken down by enzymes.
(gum)
molecule
a element can not be broken down in to smaller such materials
All substances can be broken into any other substances (or elements) by chemical or physical methods.
A physical property.
An element.
molecule
a element can not be broken down in to smaller such materials
Gold is the material that conducts electricity but cannot be pulled into wires. This is unlike the other materials like aluminum, copper and steel.
Regolith is a layer of loose material covering solid rock. Examples of this are dust, soil, broken rock, and other materials.
It cannot be recycled into new china products, but waste material such as broken china and other ceramics can be ground down to fine particles and used as a bulk filler material in concrete for example.
I a manufactured matieral is a material created using other materials
Oxygen helps to break down dead materials. Once the oxygen has been broken down, the material will release carbon dioxide and other gases.
Soil forms as rock is broken down by weathering and mixes with other materials on the surface. Soil is a mixture of rock particles, minerals, decayed organic material, air, and water.
The wire is not the problem. Electric current has no trouble going through the wire. But in order for a current to flow, there must be a complete conducting path from one side of the power supply to the other side, with no gaps in the path where there's no conductor. A broken wire has gaps in it where the only material in the gap is some other material, like rubber, water, or air. Thoise gaps are the problem, because any of those materials is a poor conductor, through which electricity cannot go.
All substances can be broken into any other substances (or elements) by chemical or physical methods.
Cotton and other fabric materials.
Materials that cannot be fossilized include materials that are not organic, such as plastic, glass, and metal. These materials do not contain the necessary organic compounds for fossilization to occur.