<span>Seleccionar un problema de investigación. Formulación de hipótesis. Variables de interés. Seleccionar niveles de una variable independiente. Seleccionar una variable dependiente .... dos o más teorías. El interés del investigador puede no tener nada que ver con la solución de un problema psicológico o sociológico existente. Como se discutió en el anterior</span>
Answer: The Civil War was a time of great social and political upheaval. It was also a time of great technological change. Inventors and military men devised new types of weapons, such as the repeating rifle and the submarine, that forever changed the way that wars were fought.
Explanation:
Challenges that the civil right movement was discrimination, and racism and neglect
Answer:
The two main threats to the spotted owl's continued survival are habitat loss and competition from the barred owl an invasive species native to eastern North America.
Explanation:
i hope i helped =)
