Meaning: 'Investigation' refers to the act of examining something carefully to uncover facts or information, particularly in a scientific or systematic manner.

Wrong options:

• balance: Balance refers to a state of equilibrium and does not relate to the context of a study or inquiry.
• intermission: Intermission denotes a pause or break, which is irrelevant in the context of conducting a study.
• identification: Identification implies recognizing or naming something, which does not fit the context of a systematic study.

Correct answer: tracking

Explanation: The word 'tracking' is the correct choice as it refers to the ability to follow the movement of fast objects, which is the focus of the sentence. It fits grammatically and contextually, as it directly relates to the skills required in sports like baseball and cricket.

Meaning: 'Tracking' means the act of following or observing the movement of something, especially in a visual context.

Wrong options:

• distorting: Distorting means altering the shape or appearance of something, which does not relate to the ability to follow objects.
• ensuring: Ensuring means making certain of something, which does not fit the context of visual skills in sports.
• transmitting: Transmitting refers to sending or conveying something, which is not relevant to the act of following fast-moving objects.

Correct answer: possess

Explanation: The verb 'possess' is appropriate here as it indicates having or owning a quality or trait, which fits the context of individuals having superior vision. It aligns grammatically and logically with the sentence structure.

Meaning: 'Possess' means to have or own something, particularly a characteristic or quality.

Wrong options:

• render: Render means to provide or cause to become, which does not fit the context of having a quality.
• store: Store implies keeping something for future use, which is not relevant to the context of visual ability.
• wear: Wear refers to having something on one's body, which does not apply to the context of possessing a quality.

Correct answer: inherent

Explanation: The word 'inherent' is suitable as it describes a quality that is a permanent, essential, or characteristic attribute. It fits grammatically and contextually, indicating that the visual prowess is a natural part of certain individuals.

Meaning: 'Inherent' means existing as a natural or essential characteristic of something.

Wrong options:

• responsible: Responsible implies accountability, which does not relate to the nature of visual prowess.
• verbal: Verbal pertains to words or speech, which is irrelevant in the context of visual skills.
• logical: Logical relates to reasoning, which does not fit the context of describing a natural ability.

Correct answer: rapidly

Explanation: The adverb 'rapidly' is the correct choice as it describes the speed at which environments change, fitting grammatically and contextually within the sentence. It emphasizes the quickness of the changes being discussed.

Meaning: 'Rapidly' means occurring at a fast pace or speed, particularly in relation to changes in the environment.

Wrong options:

• typically: Typically means usually or normally, which does not convey the speed of change.
• vividly: Vividly refers to something being clear or bright, which does not relate to the speed of change.
• basically: Basically means fundamentally or essentially, which does not fit the context of describing the nature of changes.