Water can be said to be enormous in quantity however its quality can't be ascertain​

Water quantity is the timing and total yield of water from a watershed, and is measured by total yield and peak flow over a specified period of time. Water quality is the suitability of water for drinking, recreational uses, and as habitat for aquatic organisms and other wildlife (Neary 2002).

the answer to your question is,

d. when a child was born.

-mabel < 3

answer; grew into towns and cities;