Complete the sentences below to describe the demographics in Sub-Saharan Africa. The average age of the population is than fifteen. The fertility rate is than that of most other nations.

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

James hutton is ? a. extensively studied fossils. b. revealed that fossils would provide the history of past life. c. created the first scientific classification of plants and animals. d. provided geologic evidence necessary for calculating the time span of evolution.