Which statement is true about silver and gold

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?