Question

class ninth science ch-13

Answer 1

ohk..so ur chapter is why do we fall ill

in this chapter...u should know about the disease.....

how they r caused..why they r caused

principal of treatment...principle of prevention


sorry..i am not remembering on which page...but in ur ncert book only...if u read ur chapter again..and mark it....then u will find all answer by making question urself

thanks.....