Question

what are deficiency disease

Answer 1

heyya here u go:-

deficiency refers to lack of protein , vitamin /minerals .the disease came by lack of protein , vitamin /minerals are deficiency disease.

Answer 2

$a \: disease \: caused \: by \: the \: lack \: of \: an \: element \: in \: the \: diet \: usually \: a \: particular \: \: vitamin \: is \: called \: deficiency \: disease$