Meaning: 'As' is used to indicate that two things are similar in some way, in this case, speed.

Wrong options:

• is: The word 'is' is a verb that indicates a state of being, which does not fit in this context as it does not establish a comparison.
• to: The word 'to' is a preposition that indicates direction or purpose, which does not fit the comparative structure needed here.
• faster: The word 'faster' is an adverb that describes speed but does not fit grammatically as it does not introduce a comparison correctly in this context.
• hour: The word 'hour' is a noun that refers to a unit of time, which does not fit in the comparative context of speed.
• our: The word 'our' is a possessive pronoun that indicates ownership, which does not relate to the comparison being made.
• and: The word 'and' is a conjunction used to connect words or phrases, which does not fit the comparative structure needed here.
• done: The word 'done' is the past participle of 'do,' which does not fit grammatically or contextually in this sentence.

Correct answer: hour

Explanation: The word 'hour' is a noun that indicates a unit of time, which is appropriate in this context as it describes the speed of wind in miles per hour. This fits grammatically and contextually as it completes the phrase '100 miles per __BLANK 2__.'

Meaning: 'Hour' refers to a period of 60 minutes, commonly used to measure time.

Wrong options:

• as: The word 'as' is a conjunction used for comparison, which does not fit as it does not indicate a unit of time.
• is: The word 'is' is a verb that indicates a state of being, which does not fit in this context as it does not relate to time measurement.
• faster: The word 'faster' is an adverb that describes speed but does not fit as it does not indicate a unit of time.
• our: The word 'our' is a possessive pronoun that indicates ownership, which does not relate to time measurement.
• and: The word 'and' is a conjunction that connects words or phrases, which does not fit the context of measuring speed in time.
• done: The word 'done' is the past participle of 'do,' which does not fit grammatically or contextually in this sentence.

Correct answer: faster

Explanation: The word 'faster' is an adverb that describes the comparative speed at which heat is lost from the body when it is windy. This fits grammatically as it modifies the verb 'lose' and aligns with the context of discussing the effects of wind.

Meaning: 'Faster' means at a greater speed, indicating that heat is lost more quickly in windy conditions.

Wrong options:

• as: The word 'as' is a conjunction used for comparison, which does not fit as it does not describe the speed of heat loss.
• hour: The word 'hour' is a noun that refers to a unit of time, which does not fit in the context of describing speed.
• is: The word 'is' is a verb that indicates a state of being, which does not fit in this context as it does not describe speed.
• to: The word 'to' is a preposition that indicates direction or purpose, which does not fit the context of speed.
• our: The word 'our' is a possessive pronoun that indicates ownership, which does not relate to the speed of heat loss.
• and: The word 'and' is a conjunction that connects words or phrases, which does not fit the context of describing speed.
• done: The word 'done' is the past participle of 'do,' which does not fit grammatically or contextually in this sentence.

Correct answer: to

Explanation: The word 'to' is a preposition that indicates purpose or intention, which fits grammatically and contextually as it introduces the infinitive verb 'know,' indicating what weather forecasters need to do.

Meaning: 'To' is used to indicate the purpose of an action, in this case, the need to know something.

Wrong options:

• as: The word 'as' is a conjunction that indicates comparison, which does not fit as it does not indicate purpose.
• is: The word 'is' is a verb that indicates a state of being, which does not fit in this context as it does not indicate purpose.
• faster: The word 'faster' is an adverb that describes speed, which does not fit as it does not indicate purpose.
• hour: The word 'hour' is a noun that refers to a unit of time, which does not fit in the context of indicating purpose.
• our: The word 'our' is a possessive pronoun that indicates ownership, which does not relate to the purpose of knowing.
• and: The word 'and' is a conjunction that connects words or phrases, which does not fit the context of indicating purpose.
• done: The word 'done' is the past participle of 'do,' which does not fit grammatically or contextually in this sentence.

Correct answer: is

Explanation: The word 'is' is a verb that indicates a state of being, which fits grammatically as it connects the subject 'hurricane force' to the description of the wind's strength. This maintains the logical flow of the sentence.

Meaning: 'Is' is a verb used to indicate existence or identity, in this case, identifying the strength of the wind.

Wrong options:

• as: The word 'as' is a conjunction that indicates comparison, which does not fit as it does not connect the subject to a description.
• to: The word 'to' is a preposition that indicates direction or purpose, which does not fit in this context as it does not serve as a verb.
• faster: The word 'faster' is an adverb that describes speed, which does not fit as it does not serve as a verb in this context.
• hour: The word 'hour' is a noun that refers to a unit of time, which does not fit in the context of describing the wind's strength.
• our: The word 'our' is a possessive pronoun that indicates ownership, which does not relate to the description of wind strength.
• and: The word 'and' is a conjunction that connects words or phrases, which does not fit the context of identifying the wind's strength.
• done: The word 'done' is the past participle of 'do,' which does not fit grammatically or contextually in this sentence.