If untreated sewage gets into rivers, microorganisms decompose it. They use oxygen from the water for aerobic respiration. As a result there is less oxygen dissolved in water, so aquatic organisms such as fish and insects may be unable to survive.
Answer: Passive processes.
Explanation: Passive processes don't require the cell to expand any of its own energy in order to move. There are two types of passive processes: osmosis and diffusion. Diffusion is higher to lower, while osmosis is lower to higher.
Answer:
El universo contiene las galaxias y en las galaxias están estrellas con un conjunto de sistemas solares es una escalera descendente mientras mas bajas mas cosas veras con tamaños y masas diferentes esa es su relación todo esta en el universo y de echo todos estamos en el universo todo aquello que sea masa o no es el universo recuerda que aquello es infinito sin limites a ver o tocar.
False
Explanation:
Because all cella engage in cellular respiratiom because not al the cell