People controlling small percentages of wealth is called an oligarchy. Countries that have this according to a list I found include Russia, China, Saudi Arabia, Iran, Turkey, South Africa, North Korea, Venezuela.
She was an amazing African Amercian Novelist
A leaf is made up of a variety of specialized tissues that work together to produce food through photosynthesis. Mesophyll, veins, and epidermis are the main tissues. The majority of the leaf's interior is made up of mesophyll. Photosynthesis takes place here.
At the Library. I hope this helps.