Crossword
This printable crossword puzzle on the topic of Oceans & Water has 20 clues. Answers range from 7 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
is a mesure of how clean or polluted water is
is the upper boundary of groundwater
when waste is added on water so that it is harmful for the organisms that use it
a major chemical spill
sources such as polluted runoff from agricultural areas draining into a river
is any water used by people
is another form of chemical pollution
any heating of natural water
when dead or alive animals are added to water supply
the availability of water
an increase in amount of nutrients in water
when harmful chemicals are added to water supply
is the growth of a town from rural to urban
water is often frozen in a layer of soil
an artificial body that usually forms behind a dam
the overuse of groundwater can cause seawater to seep into the aquifer
dreams dry up and soil that hold aquifire collapse
sw
gw
aq
