¿Cuál sería el valor de la constante efectiva si los resortes del problema anterior estuvieran sosteniendo un peso, pero conectados en paralelo al mismo?

What type of pollution does household garbage cause

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)

Match each description to the level of organization