Tsunamis are caused by earthquakes
Answer:
Explanation:
following the end of the civil in 1949, Costa Rica abolished its army and redirected its budget to-ward healthcare and education. Ever since and up to this day, Costa Rica has achieved some of thehighest living standards and development indicators in Latin America. Furthermore, unlike mostother countries in the region, Costa Rica has not had dictatorships or armed conflicts since the abolishment of its army. In addition, soon after the abolishment of its army, the country started experiencing a notable economic growth divergence relative to the rest of the countries in the region. Thus, these institutional changes along with long-standing democratic history have been considered to be factors of paramount importance that have led to these developmental achieve-ments and democratic stability in the country up to this day.
Both Mexico and The united states are federal republics and and are divided into states also, the head of state is known as "President" and also has the same legislation.
I think A. Thousands to millions of years
Everything in Earth's system can be placed into one of four majorsubsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air). Each of these four spheres can be further divided into sub-spheres.
Answer:
Stabilizing natural selection keeps gene frequencies constant in a population. The normal, most common traits are selected for and preserved so only a limited amount of evolution occurs and species can remain unchanged even over long periods of time.
Explanation:
