Cuales consideras que podrían ser espacios para promover una cultura de paz en la sociedad salvadoreña

Which of the following is an example of an environmental change the affected the evolution of life a. volcanic activity b. changes in climate c. mountain building d. all of the above

How are viruses different from eukaryotic cells?

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin