The correct answer is B. always.
They are always coplanar if there exists a geometric plane that contains them all, which indeed exists.
They gave us the written word where before stories were word of mouth. Even though they wrote in Latin many of the root words are used today in the English language. The gave us measurements like mile, foot and inche. Also Roman numerals are still used, especially in regards to time-pieces. They gave us Christianity. They also introduced some spices and small animals like poultry.
Answer:
What were the Ellis Island workers looking for in the immigrants' hair?
Explanation:
I took the quiz and got it correct :)
