Answer:
El ciclo del agua es el viaje continuo que el agua toma desde el mar, hacia el cielo, hacia la tierra y de regreso al mar. El movimiento del agua alrededor de nuestro planeta es vital para la vida, ya que es compatible con plantas y animales.
the world's current population is 7.3 billion and the world population in 1915 was 1.8 billion. The increase over the past century is 7.3 billion - 1.8 billion = 5.5 billion. So, the correct answer would be "more than 5 billion" (option D).
I believe it’s D. It can be a cycle
Plains have a higher population density because plains are easy to reach and at plains people get a number of resources necessary for their survival and livelihood.
