D. Were nomads who hunted and gathered
Answer:
Definition of mayor-council. : of, relating to, or constituting a method of municipal government in which policy-making and administrative powers are vested in a usually elective mayor and council — compare council-manager plan, strong mayor, weak mayor.
Among all the countries that you mentioned, Gabon is the country that receives the most rainfall.
Geothermal heat, is heat being pulled from the earth loop, creating warm air for us. Iceland uses geothermal heating for heat and electricity.