Meaning: 'Widely' means to a large extent or over a large area; in this context, it refers to the broad acceptance of the issue.

Wrong options:

• successfuly: This is a misspelling of 'successfully,' which is an adverb indicating achievement, but does not fit the context of acceptance.
• monetary: This adjective relates to money and finance, which is irrelevant to the context of acceptance regarding global warming.
• modern: While 'modern' is an adjective that describes something contemporary, it does not relate to the acceptance of an issue.
• environmental: This adjective pertains to the environment but does not modify 'accepted' appropriately in this context.
• attitudes: This noun refers to a person's feelings or opinions, which does not fit grammatically as it does not modify 'accepted.'
• policies: This noun refers to plans or courses of action, which does not fit the context of acceptance.
• guidelines: This noun refers to recommendations or instructions, which does not fit the context of acceptance.

Correct answer: community

Explanation: The noun 'community' fits grammatically as it refers to a group of people engaged in a common interest, in this case, science. It is contextually appropriate as it describes the collective of scientists discussing global warming.

Meaning: 'Community' refers to a group of individuals who share a common interest or characteristic, here referring to scientists.

Wrong options:

• modern: This adjective describes something contemporary but does not fit as it does not refer to a group of people.
• environmental: This adjective pertains to the environment and does not refer to a group of people involved in scientific discourse.
• successfuly: This is a misspelling of 'successfully,' which is an adverb and does not fit as a noun.
• attitudes: This noun refers to feelings or opinions, which does not describe a group of people.
• policies: This noun refers to plans or courses of action, which does not fit as it does not describe a group of people.
• guidelines: This noun refers to recommendations or instructions, which does not fit as it does not describe a group of people.
• widely: This adverb modifies verbs and does not fit as a noun.

Correct answer: modern

Explanation: The adjective 'modern' fits grammatically as it describes the noun 'society,' indicating that it is contemporary. It is contextually relevant as it contrasts with the natural environment mentioned earlier.

Meaning: 'Modern' refers to the present or recent times, indicating contemporary society.

Wrong options:

• environmental: This adjective pertains to the environment but does not describe the type of society being discussed.
• successfuly: This is a misspelling of 'successfully,' which is an adverb and does not fit as an adjective describing society.
• community: This noun refers to a group of people and does not fit as a descriptor for society.
• attitudes: This noun refers to feelings or opinions and does not fit as a descriptor for society.
• policies: This noun refers to plans or courses of action and does not fit as a descriptor for society.
• guidelines: This noun refers to recommendations or instructions and does not fit as a descriptor for society.
• widely: This adverb modifies verbs and does not fit as an adjective.

Correct answer: environmental

Explanation: The adjective 'environmental' fits grammatically as it describes the noun 'damage,' indicating the type of damage being discussed. It is contextually relevant as it relates directly to the topic of global warming.

Meaning: 'Environmental' refers to anything related to the environment, in this case, the damage caused by human activity.

Wrong options:

• modern: This adjective describes something contemporary but does not fit as it does not describe the type of damage.
• successfuly: This is a misspelling of 'successfully,' which is an adverb and does not fit as an adjective describing damage.
• community: This noun refers to a group of people and does not fit as a descriptor for damage.
• attitudes: This noun refers to feelings or opinions and does not fit as a descriptor for damage.
• policies: This noun refers to plans or courses of action and does not fit as a descriptor for damage.
• guidelines: This noun refers to recommendations or instructions and does not fit as a descriptor for damage.
• widely: This adverb modifies verbs and does not fit as an adjective.

Correct answer: attitudes

Explanation: The noun 'attitudes' fits grammatically as it serves as the object of the preposition 'on,' indicating what we need to change. It is contextually relevant as it refers to people's perceptions and responses to global warming.

Meaning: 'Attitudes' refers to a person's feelings or opinions about something, in this case, global warming.

Wrong options:

• modern: This adjective describes something contemporary but does not fit as it does not refer to perceptions or responses.
• environmental: This adjective pertains to the environment and does not fit as it does not refer to perceptions or responses.
• successfuly: This is a misspelling of 'successfully,' which is an adverb and does not fit as a noun.
• community: This noun refers to a group of people and does not fit as it does not refer to perceptions or responses.
• policies: This noun refers to plans or courses of action and does not fit as it does not refer to perceptions or responses.
• guidelines: This noun refers to recommendations or instructions and does not fit as it does not refer to perceptions or responses.
• widely: This adverb modifies verbs and does not fit as a noun.

Correct answer: policies

Explanation: The noun 'policies' fits grammatically as it serves as the object of the verb 'introduce,' indicating what should be implemented. It is contextually relevant as it refers to the plans needed to address global warming.

Meaning: 'Policies' refer to plans or courses of action adopted by an organization or government, in this case, to combat global warming.

Wrong options:

• modern: This adjective describes something contemporary but does not fit as it does not refer to plans or actions.
• environmental: This adjective pertains to the environment but does not fit as it does not refer to plans or actions.
• successfuly: This is a misspelling of 'successfully,' which is an adverb and does not fit as a noun.
• community: This noun refers to a group of people and does not fit as it does not refer to plans or actions.
• attitudes: This noun refers to feelings or opinions and does not fit as it does not refer to plans or actions.
• guidelines: This noun refers to recommendations or instructions, which is similar but does not fit as it does not imply formal plans or actions.
• widely: This adverb modifies verbs and does not fit as a noun.