The possessive form of laboratory is laboratory's.
The plural possessive of "laboratory" is "laboratories'".
The singular possessive form of synthesis is synthesis's.
The possessive noun form of "oxygen" is "oxygen's."
The possessive form of substance is "substance's".
The possessive form of laboratory is laboratory's.
The possessive noun for laboratory is laboratory's.
The plural possessive of "laboratory" is "laboratories'".
The possessive form of "he" is "his": He did his homework after dinner.
The plural of laboratory is laboratories.
No, it is singular, the possessive form of it is its. The plural form of it is they or them, and the possessive form is their.To answer the question directly: there is no such word as ITS'.
The possessive form for "lawyer" is "lawyer's."
The possessive form is posse's.
The possessive form is whistle's.
The plural possessive form is Luis's.
The singular possessive form of the noun "it" is "its". Note that there is no apostrophe in the possessive form of "it". The apostrophe is only used after "it" when used as a contraction of "it is".
The singular possessive form is heart's; the plural possessive form is hearts'.