Your taskFill in the gap in each sentence with the correct word or phrase.conceptualconstitutionalcontextualderivationestablishmentindicativeassumptionconsistenteconomicenvironmentalexporterfactoredfunctionalincomesinvolvement0 / 15 answeredYour score0 / 150%Keep practising! Focus on the explanations below.1The researchers presented a model for understanding how cultural beliefs evolve over time.Correct answer: conceptual▸ Why?"Conceptual" = "concept" + -ual, an adjective meaning relating to or based on mental concepts; "conceptually" is the adverb and cannot modify the noun "model."2Legal experts disputed whether the new detention law was under the existing charter of rights.Correct answer: constitutional▸ Why?"Constitutional" = "constitution" + -al, meaning consistent with or permitted by a constitution; "constitutionally" is the adverb and cannot follow "was" as a predicative adjective.3Without information about the speaker's background, the statement is easily misunderstood.Correct answer: contextual▸ Why?"Contextual" = "context" + -ual, meaning relating to surrounding circumstances; "contextually" is the adverb and cannot directly modify the noun "information."4Understanding the of academic words from Latin or Greek roots can help learners predict their meaning.Correct answer: derivation▸ Why?"Derivation" = the noun of "derive," meaning the process or origin from which a word is formed; "deriving" is a gerund but "the derivation of" is the standard formal noun phrase.5The of a permanent monitoring station was seen as a milestone in polar climate research.Correct answer: establishment▸ Why?"Establishment" = "establish" + -ment, the noun meaning the act of creating or founding; "establishing" is a gerund — "the establishment of" is the idiomatic formal noun phrase.6A persistent decline in birth rates is often of shifting social attitudes toward family size.Correct answer: indicative▸ Why?"Indicative" = "indicate" + -ive, an adjective meaning serving as a sign of something; "indication" is the noun and cannot follow "is often" as a predicative adjective.7The economic model rests on the that all market participants have equal access to information.Correct answer: assumption▸ Why?"Assumption" = "assume" + -tion, the noun meaning something taken for granted; "assuming" is a gerund — "the assumption that" is the standard academic noun clause pattern.8The findings were broadly with those reported in three earlier peer-reviewed studies.Correct answer: consistent▸ Why?"Consistent" = the adjective of "consist," meaning in harmony with; "consistently" is the adverb and cannot follow "were" as a predicative adjective.9The decision had significant implications for industries reliant on imported raw materials.Correct answer: economic▸ Why?"Economic" = relating to economics or an economy; "economical" means using resources efficiently — a different meaning. "Economic implications" is the standard collocation here.10Companies are increasingly required to disclose their impact in annual sustainability reports.Correct answer: environmental▸ Why?"Environmental" = "environment" + -al, meaning relating to the natural world; "environmentally" is the adverb and cannot modify the noun "impact."11Norway is a major of petroleum products, supplying approximately 2% of global oil demand.Correct answer: exporter▸ Why?"Exporter" = "export" + -er, naming a country or entity that sells goods abroad; "export" alone is the noun or verb — the agent noun form is needed to describe Norway's role.12The analysts had not in the risk of political instability when preparing their revenue forecast.Correct answer: factored▸ Why?"Factored in" is a phrasal verb meaning to include a consideration; "factor" alone as a finite verb is less idiomatic in this construction — the past tense is required here.13The brain scans revealed differences between the two groups in regions associated with long-term memory.Correct answer: functional▸ Why?"Functional" = "function" + -al, meaning relating to how something works; "functionally" is the adverb and cannot modify the noun "differences."14The study found that in the bottom quartile had stagnated relative to inflation over the past decade.Correct answer: incomes▸ Why?"Incomes" is the plural noun referring to earnings of multiple people or groups; "income" in the singular would imply a single individual's earnings — the plural is required for a population-level study.15Greater community in planning decisions leads to higher rates of long-term public satisfaction.Correct answer: involvement▸ Why?"Involvement" = "involve" + -ment, the noun meaning active participation; "involving" is a participle — "community involvement" is the standard academic noun phrase for participatory engagement.Check AnswersPlease answer at least one question first.Found an error in this exercise? Let us know.