False. they still exist today, and they existed before the 1980s as well :)
I think it is a type of maroon.
Answer:
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 represent in this situation you created?
Explanation:
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 represent in this situation you created?
C is the reasonable answer.
