The type of line shown below represents an / a:​

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)

What role did women fill during world war ii?

Match the sentence fragment in the first column with the appropriate ending in the second column. a little per favore?