Paragraph 1
Scientists have discovered a new
of microbes in an
below and above the Earth's
called the Critical Zone. This is
for life. The microbes have been called CSP1-3. They could be
in the process of water
. A researcher said that while
is responsible for the
of rainwater, CSP1-3 may also be
. He said CSP1-3 were
that clean up "what got through the surface layer of soil".
