The answer is English Language Learners or also known as the
ELL, it is because this is a group of people or students in which they are
composed of or having different social needs, language or in terms of their
academics in which they both speak the same and connect with the one and same
language.
Her speeches must be brief (short, concise).
Brevity is a noun that means concise, to the point and shortness of time. It comes from the Latin root "brevis", which is also the root of the word brief, the adjective correspondent to the noun brevity, which also means a concise summary or statement or (something) of a short duration. So concluding, if a speaker is known for her brevity then her speeches must be brief, that is, short or concise.
Scientists Could study threaten varieties to find ways to replace them.
Answer:the word
Explanation:because lot of people need the word
