Being bilingual can improve a person's multitasking skills, attention control, problem-solving, and creativity as it promotes outside-the-box thinking. It can also help improve your memory – handy when shopping and remembering people's names!
It is a fact that would have been determined through a survey. This is evident in how it is a quantitative statement that appeared in a reputable source.
A language branch exists within a family, comprising a collection of languages that are related through a common ancestral language that existed several thousand years ago.
