Stems for August 18th and August 25th

Stem Instructions:
Stems —-Choose 2 words from the list of each stem; define and write a sentence for each.
August 18th
Aer (air) aerobic, aeria, aerosol, aerial, aerobes, aerodynamics, malaria
Epi (on) epicenter, epidemic, epigram, epidermis, epigraph, epitaph
August 25th
Hum (earth) humas, exhume, posthumous, humble, humiliate, human
Be (life) microbe, aerobe, anaerobe
Chlor (green) chlorophyll, chlorine, chloroplasts, chlorella