What threats does the mineral phosphorus face?

Excessive use of phosphate is running down supplies and is also causing widespread pollution that leads to dead zones in rivers and seas. According to epa.gov, too much phosphorus in the water can have diverse and far-reaching impacts on public health, the environment, and the economy.

Explanation:

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the answer would be   10%