They ward off disease causing organisms
This process is called Gold cyanidation, this process is also known as cyanide process, and the MacArthur-Forrest process. This process is a hydrometallurgical technique for extracting gold from low grade ore in the way that it converts the gold to a water-soluble coordination complex. This the most commonly used leaching process for extraction of gold.
Crust is destroyed (apex) earth secience [sem2]
Call is the unit structure of life.......................................
Answer:the idea that species change over time, give rise to new species, and share a common ancestor.
Explanation:
to better cope with environment