acidic salt is made up of strong acid and weak base whereas normal salt is made up of strong acid and strong base or weak acid and weak base. acidic salt ionises into form H+ions more than OH- ions in water solution but normal salt ionises to form equal number if H+ ions and OH- ions in water solution.
Understanding the theory of plate tectonics can make people more prepared if a natural disaster occurs. By understanding the theory of tectonic plates, you can possibly predict when the next tectonic-plate related natural disaster will occur.
Galena is an important economic mineral for lead. It's an important mineral as it serves as an ore for most of the world's lead production.
Answer: Seastars prey on mussels and shellfish which would otherwise have no other natural predators. Herbivorous fish like the butterflyfish pictured to the left prey on marine algae. Without this crucial predator-prey balance, the algae would over-grow, which would then kill coral, as they compete for the same resources.