Children typically use simple sentences with few clauses and modifiers. They gradually acquire the ability to use more complex sentences as they get older.

Language acquisition is the process by which children learn their native language. It is a complex process that involves both innate abilities and environmental factors.

While intelligence may play a role in language acquisition, it is not a necessary factor. Children with a wide range of intellectual abilities can all acquire language.

Second language acquisition is the process by which adults acquire a second language. It is a complex process that involves both cognitive and social factors.

Native-like pronunciation is not a typical characteristic of second language acquisition. Most adult learners will retain some degree of their native accent.

Language change is the process by which language changes over time. It can be caused by a variety of factors, including contact with other languages, social change, and technological change.

Semantic change is not a type of language change. It refers to the change in meaning of words over time.

Language shift is the process by which a language is replaced by another language. It can be caused by a variety of factors, including conquest, colonization, and migration.

Education can actually help to revitalize endangered languages by teaching them to younger generations.

Language revitalization is the process by which a language is revived or revitalized. It can involve a variety of activities, such as teaching the language to younger generations, creating new materials in the language, and promoting the use of the language in the community.

Changing the meaning of words in the language is not a goal of language revitalization. The goal is to preserve the language as it is.

Language standardization is the process by which a language is standardized. It involves creating a standard grammar, spelling, and pronunciation for the language.

Language standardization can actually help to preserve the language by providing a fixed form of the language that can be used by all speakers.

Language simplification is the process by which a language is simplified. It can involve reducing the number of grammatical rules, simplifying the vocabulary, and making the pronunciation easier.

Language simplification is typically done to make it easier for people to communicate with each other, not more difficult.