Answer: cobra's hood
Explanation: The sentence above presents a mistake in the use of the possessive. When you want to say that a noun belongs to another noun you have to use the possessive form 's. Except if the noun finishes with S, you just add the '.
In the example given the possessive form should be in the noun "cobra", this is why the correct form is "cobra's hood" to express that the hood belongs to the cobra.
The correct use of a possessive noun is: If it feel threatened, a cobra's hood will spread out making the snake look more frightening.
A possessive noun can be defined as a noun that is used to show or indicate ownership by a person, thing, animal or place, especially through the use of an apostrophe (') and the letter s.
In English language, an apostrophe (') is a punctuation mark that is typically used in forming possessive nouns, mark the omission of one or more letters and to indicate the plural of letters in lowercases.
For example, to form a possessive noun; add an apostrophe (') with the letter "s" i.e ('s) to nouns that don't end with "s" sound.
Also, you can only add an apostrophe (') without the letter "s" to nouns that ends with "s" sound.
In this scenario, since the cobra is singular (one), the most appropriate possessive noun to use is "it" rather than "they" which is only used for plurals (two or more).
Therefore, the correct sentence would be written as;
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