It depends on local legislation
child's
The plural possessive of "country" is "countries'".
John's car's wheel's valve's cap's color's hue hurt Lily's sister's cat's ears' sensitivity greatly.
It's horses' or horse's.
Diffusion and osmosis .
Don't know what possive means. Maybe you mean possessive?If you mean possessive then add 's to the noun: colonist'sThe colonist's houses were demolished in the storm.
The business's main purpose.
The business's main purpose.
the telephone is invested by alexander graham bell
To change an active voice sentence to passive voice, move the object of the active sentence to the beginning of the passive sentence and include the appropriate form of the verb "to be" plus the past participle of the main verb to create the passive construction. For example, "The company launched a new product" in active voice becomes "A new product was launched by the company" in passive voice.
The word mine is a pronoun, not a noun. It is the possessive, objective pronoun meaning belonging to me.
The possessive form of the singular noun knife is knife's.example: This knife's blade is dull.