Meaning: 'Disclose' means to reveal or make something known, particularly information that was previously hidden or unknown.

Wrong options:

• dismiss: Dismiss means to reject or disregard, which does not fit the context of needing to report emissions.
• discontinue: Discontinue means to stop doing something, which contradicts the need to report emissions.
• disable: Disable means to make something unable to function, which is irrelevant in the context of reporting emissions.

Correct answer: data

Explanation: The word 'data' is a noun that refers to facts and statistics collected for reference or analysis. It fits contextually as it relates to the information gathered about emissions, which is necessary for testing the impact on climate change.

Meaning: 'Data' refers to pieces of information, often numerical, that can be analyzed to draw conclusions.

Wrong options:

• influence: Influence is a noun that refers to the capacity to have an effect on someone or something, which does not fit as it does not refer to the information needed for analysis.
• result: Result is a noun that refers to an outcome or consequence, which does not fit as it does not denote the information needed for testing emissions.
• damage: Damage refers to harm or injury, which is not relevant in the context of measuring emissions.

Correct answer: campaigners

Explanation: The word 'campaigners' fits grammatically and contextually as it refers to individuals or groups advocating for a cause, in this case, climate change. It aligns with the context of discussing the role of the government in relation to climate change.

Meaning: 'Campaigners' are people who actively promote a cause or policy, particularly in the context of social or political issues.

Wrong options:

• champions: Champions can refer to supporters or advocates, but it does not fit as well as 'campaigners' in the context of government action on climate change.
• rivals: Rivals refer to competitors, which does not fit the context of advocacy or support for climate change initiatives.
• pioneer: Pioneer refers to someone who is among the first to explore or develop a new area, which does not align with the context of government involvement in climate advocacy.

Correct answer: invigilators

Explanation: The word 'invigilators' fits contextually as it refers to those who supervise or monitor, which aligns with the role of overseeing environmental compliance. It is appropriate in the context of ensuring adherence to environmental standards.

Meaning: 'Invigilators' are individuals who supervise or monitor activities, particularly in an examination or regulatory context.

Wrong options:

• obligators: Obligators refer to those who are bound to do something, which does not fit the context of monitoring or supervising emissions.
• campaigners: Campaigners, while relevant to advocacy, do not fit the role of monitoring emissions as required in this context.
• inventors: Inventors refer to those who create something new, which is not relevant to the context of monitoring emissions.