absolute
abuse
africa
aging
backdrop
background
broke
broken
cholera
circles
clean
complete
concern
conservation
conserve
control
cry
deep
depression
drops
drought
dying
ecology
economy
emotion
end
erosion
faith
feel
feelings
flow
habitat
hope
hopeless
leaf
leaf dead
mud
no
outcast
pebbles
plumbing
polluted
pollution
pothole
project
puddle
pump
rain
raindrop
retirement
sad
salvation
sensitive
shallow
shortage
shower
soil
sorry
starvation
supply
tainted
taxes
umbrella
unclear
water conservation
water supply
weather