Why is cyanide heap leaching used to extract gold from some deposits?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Does water only take one path through the water cycle? (15 points)

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii