Estados Unidos y Canadá tienen bajas tasas de natalidad y mortalidad ¿Qué implica para sus gobiernos que sus poblaciones estén envejecidas?

One disadvantage that darwin faces today is w. enemy attacks x. natural disasters y. lack of land bridge z. high population density

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

Why did the first fleet take the shorter route along the entire west coast of africa?