Infrastructure refers to a nation’s buildings, roads, bridges, power grids, etc.

True
False

Which statement about spreading knowledge of diseases and health around the world is correct?

On average, being married has a(n) effect on happiness.

Which of these would be describing a developed country? a) literacy rate of 84% b) life expectancy of 58 years c) post-secondary education rate of 10% d) infant mortality rate of 3 per 1,000 births