The language family that is most commonly used in the united states is a. altaic b. afro-asiatic c. indo-european d. sino-tibetan asap

The correct option is C

With the name of Indo-European languages is known the largest family of languages in the world in number of speakers. The Indo-European family, to which most of the languages of Europe and South Asia belong, includes more than 150 languages spoken by around 3200 million people. A clear example is: The English language which is a western Germanic language that emerged in the Anglo-Saxon kingdoms of England and extended to the North in what would become the southeast of Scotland, under the influence of the Kingdom of Northumbria.

The correct answer is C. Indo-European

Explanation:

In linguistics, which is the science that study language, a language family refers to a group of languages that are related usually because they have a common origin or descend from the same language, this makes languages that belong to the same family share certain features. Considering nowadays there are thousands of languages in the world and many others that have disappeared there are multiple language families, including the Sino-Tibetan, the Australian, the Afro-Asiatic, the Nilo-Saharan, and the Indo-European.

In the case of the Indo-European family which descend from the Proto-Indo-European language, this family language covers around 455 languages and includes languages such as Spanish, Portuguese, German, French, Italian and English, which is the official language in the U.S. and the most commonly used. This means the language family that is most commonly used in the United States is the Indo-European as English, which is the official language of the U.S. belongs to this family.

answer: i think it might be the last one

explanation:

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b