Meaning: 'Noticeably' means in a way that is clearly visible or evident.

Wrong options:

• promising: The adjective 'promising' suggests potential but does not fit grammatically as it cannot modify 'better' in this context.
• unrealistically: The adverb 'unrealistically' does not fit the context of describing tangible benefits and does not grammatically modify 'better'.
• asserting: The verb 'asserting' does not fit as it does not serve as an adverb to modify 'better'.
• burgeoning: The adjective 'burgeoning' does not relate to the quality of food and cannot modify 'better'.
• opponents: The noun 'opponents' does not fit grammatically as it cannot modify 'better'.
• proponents: The noun 'proponents' does not fit as it cannot modify 'better' and is not an adverb.

Correct answer: proponents

Explanation: The noun 'proponents' refers to those who support genetic engineering, fitting grammatically as the subject of the clause. It aligns with the context of discussing the arguments made in favor of genetically modified foods.

Meaning: 'Proponents' are individuals or groups that advocate for a particular idea or policy.

Wrong options:

• opponents: The noun 'opponents' refers to those against genetic engineering, which contradicts the context of the argument being made.
• unrealistically: The adverb 'unrealistically' does not fit as it does not refer to a group of people and cannot serve as a subject.
• asserting: The verb 'asserting' does not fit grammatically as it cannot serve as a subject in this context.
• burgeoning: The adjective 'burgeoning' does not refer to people and cannot serve as a subject.
• noticeably: The adverb 'noticeably' does not fit as it cannot serve as a subject.

Correct answer: burgeoning

Explanation: The adjective 'burgeoning' describes the population as rapidly growing, fitting grammatically and contextually to emphasize the increasing demand for food.

Meaning: 'Burgeoning' means growing or expanding rapidly.

Wrong options:

• proponents: The noun 'proponents' does not fit as it does not describe a population and cannot modify 'population'.
• opponents: The noun 'opponents' does not fit as it does not describe a population and cannot modify 'population'.
• noticeably: The adverb 'noticeably' does not fit as it cannot describe a noun like 'population'.
• asserting: The verb 'asserting' does not fit as it does not describe a population and cannot modify 'population'.
• consume: The verb 'consume' does not fit as it does not describe a population and cannot modify 'population'.
• unrealistically: The adverb 'unrealistically' does not fit as it cannot describe a noun like 'population'.

Correct answer: asserting

Explanation: The verb 'asserting' fits grammatically as it introduces the clause that presents the opposing viewpoint. It aligns with the context of stating a disagreement regarding the benefits of genetic engineering.

Meaning: 'Asserting' means stating a fact or belief confidently and forcefully.

Wrong options:

• proponents: The noun 'proponents' does not fit as it does not serve as a verb and cannot introduce a clause.
• burgeoning: The adjective 'burgeoning' does not fit as it cannot serve as a verb to introduce a clause.
• consume: The verb 'consume' does not fit as it does not relate to the act of stating an argument.
• noticeably: The adverb 'noticeably' does not fit as it cannot serve as a verb to introduce a clause.
• opponents: The noun 'opponents' does not fit as it cannot serve as a verb to introduce a clause.
• unrealistically: The adverb 'unrealistically' does not fit as it cannot serve as a verb to introduce a clause.

Correct answer: consume

Explanation: The verb 'consume' fits grammatically as it completes the idea of how much food is available relative to the population. It aligns with the context of discussing food availability.

Meaning: 'Consume' means to eat or use up a resource.

Wrong options:

• asserting: The verb 'asserting' does not fit as it does not relate to the action of eating or using food.
• noticeably: The adverb 'noticeably' does not fit as it cannot serve as a verb and does not relate to the action of eating.
• unrealistically: The adverb 'unrealistically' does not fit as it cannot serve as a verb and does not relate to the action of eating.
• proponents: The noun 'proponents' does not fit as it does not relate to the action of eating or using food.
• burgeoning: The adjective 'burgeoning' does not fit as it does not relate to the action of eating or using food.
• opponents: The noun 'opponents' does not fit as it does not relate to the action of eating or using food.