written as a guide. Wie UNIC por un
Across
2
AT OF EDUS
2. He used his improved
compound microscope in 1665
and discovered tiny
compartments in a thin slice of
cork.
3. It is a precision instrument and
commonly used tool by scientists
in studying objects or organisms
or even parts of organisms that
are invisible or slightly visible to
the naked eye.
4. He was the first to observe
bacteria, yeasts, red blood cells,
and
described colonies of
protozoans teeming in a drop of
rainwater.
Down
1.They started experimenting
using lenses; they have made a
very important invention
compound light microscope.
a
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