Luego de observar el video. Elaboraremos un Texto que responda a la pregunta : ¿Por qué ocurre la contaminación del aire y cómo afectan la salud?

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

How did nationalism transform the identity of africans

The us economy received all of the following benefits as a result of technological advancements during industrialization except a. increased production b. reduced costs of consumer goods c. increased farm employment d. the invention of new products