Wiki User
∙ 10y agoim not ssure but its formed by the oyster being irritated my a peic of sand so it forms a protective layer around t and the layers keep building upon each other. hope this helps=P
Wiki User
∙ 14y agoWiki User
∙ 13y agodiamonds, gold, silver, copper, platinum are elements.
some jewels are compounds.
Wiki User
∙ 10y agoA pear is a piece of fruit and thus is a heterogeneous mixture.
Aluminium is an element . it is not compound or mixture.
heterogeneous mixture
Mouthwash is a homogeneous solution.
compound
A solution of gases is not correct. it should be a mixture of gases
No it is a solution
Heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
Aluminium is an element . it is not compound or mixture.
It is a heterogeneous mixture.
mixture
element
It is a heterogeneous mixture.
Heterogeneous