Acidity, hardness, concentration of minerals and disease-causing organisms are all factors of
a.
water availability
c.
water consumption
b.
water quality
d.
water quantity

water quality

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.

answer; i believe that the correct answer is(d) nondisjunction during meiosis;