Answer:
most females.
Explanation:
Most females don't care about anything but themselves. What makes anyone think that they would waste their valuable time studying for a test when they'd rather eat ice cream and text gossip with their friends? Duh!
Two consequences of uneven population growth between less developed and more developed countries would be emigration and migration. People would start want to move because of the lack of development in less developed countries and want to move to developed countries for better quality of life, safety, attractive environment, and most importantly economic advancement.