How Is Groundwater Demand Affected In Years Of Little Rainfall

What is the lowest hydraulic head in the Savannah, Georgia area?How is groundwater demand affected in years of little rainfall?What is the pore size of most commonly used filters for separating particles and dissolved substances in marine waters? (a) 0.454M, (b) 0.45mm, (c) 0.45cm, (d) 0.45um, (e) 0.2mm 22) Which hard part of certain planktonic particle can affect the alkalinity of seawater? (a) diatom (b) cyanobacteria (c) dinoflagellate (d) coccolithophorid (e) ciliate