Meaning: 'Enough' means a sufficient amount or quantity of something.

Wrong options:

• more: The word 'more' suggests an additional quantity, which does not fit the context of indicating sufficiency for calcium intake.
• healthy: 'Healthy' is an adjective that describes a state of well-being, but it does not convey the idea of sufficiency in this context.
• energetic: 'Energetic' is an adjective that describes a state of having energy, which does not relate to the quantity of calcium needed.
• important: 'Important' is an adjective that indicates significance, but it does not address the quantity required for calcium.
• vital: 'Vital' is an adjective that means essential, but it does not convey the idea of sufficiency.
• fibres: 'Fibres' is a noun referring to dietary components, which does not fit as a descriptor for calcium intake.

Correct answer: vital

Explanation: The term 'vital' is an adjective that describes the essential role carbohydrates play in energy production. It fits grammatically and contextually, emphasizing the importance of carbohydrates in the diet.

Meaning: 'Vital' means absolutely necessary or essential.

Wrong options:

• healthy: 'Healthy' is an adjective that describes a state of well-being, which does not fit the context of describing the role of carbohydrates.
• energetic: 'Energetic' is an adjective that describes a state of having energy, but it does not accurately describe the role of carbohydrates in energy production.
• important: 'Important' is an adjective that indicates significance, but it lacks the strong connotation of necessity that 'vital' provides.
• enough: 'Enough' is an adverb that indicates sufficiency, but it does not describe the role of carbohydrates in energy production.
• more: 'More' is a comparative adverb that suggests an increase, which does not fit in describing the role of carbohydrates.
• fibres: 'Fibres' is a noun that refers to dietary components, which does not relate to the role of carbohydrates.

Correct answer: healthy

Explanation: The word 'healthy' is an adjective that describes the state of skin. It fits grammatically as it modifies the noun 'skin' and aligns with the context of discussing dietary impacts on health.

Meaning: 'Healthy' means in a good condition or free from disease.

Wrong options:

• energetic: 'Energetic' is an adjective that describes a state of having energy, which does not relate to the condition of skin.
• vital: 'Vital' is an adjective that means essential, but it does not appropriately describe the state of skin.
• important: 'Important' is an adjective that indicates significance, but it does not describe the condition of skin.
• enough: 'Enough' is an adverb that indicates sufficiency, which does not fit as a descriptor for skin condition.
• fibres: 'Fibres' is a noun that refers to dietary components, which does not fit as a description of skin.
• more: 'More' is a comparative adverb that suggests an increase, which does not apply to describing the condition of skin.

Correct answer: fibres

Explanation: The term 'fibres' is a noun that refers to dietary components essential for digestion. It fits grammatically as it serves as the subject of the sentence and aligns with the context of discussing dietary needs.

Meaning: 'Fibres' refers to the parts of plant foods that the body cannot digest, which are important for digestive health.

Wrong options:

• healthy: 'Healthy' is an adjective that describes a state of well-being, which does not fit as a noun in this context.
• energetic: 'Energetic' is an adjective that describes a state of having energy, which does not relate to dietary components.
• important: 'Important' is an adjective that indicates significance, but it does not serve as a noun in this context.
• enough: 'Enough' is an adverb that indicates sufficiency, which does not fit as a noun for dietary components.
• more: 'More' is a comparative adverb that suggests an increase, which does not apply to describing dietary components.
• vital: 'Vital' is an adjective that means essential, but it does not fit as a noun in this context.

Correct answer: oxidative

Explanation: The word 'oxidative' is an adjective that describes the type of stress related to oxidation in the body. It fits grammatically as it modifies the noun 'stress' and aligns with the context of discussing antioxidants.

Meaning: 'Oxidative' refers to processes involving oxygen that can lead to damage in cells, particularly in the context of stress.

Wrong options:

• healthy: 'Healthy' is an adjective that describes a state of well-being, which does not fit as a descriptor for stress.
• energetic: 'Energetic' is an adjective that describes a state of having energy, which does not relate to the type of stress discussed.
• important: 'Important' is an adjective that indicates significance, but it does not describe the type of stress.
• vital: 'Vital' is an adjective that means essential, but it does not accurately describe the type of stress in this context.
• fibres: 'Fibres' is a noun that refers to dietary components, which does not fit as a description of stress.
• more: 'More' is a comparative adverb that suggests an increase, which does not apply to describing the type of stress.