1. The document categorizes various extinct animals, scientists, alternative energy sources, natural hazards, and technologies. 2. Some extinct animals mentioned include the woolly mammoth, dinosaurs, and saber-toothed cats. 3. Scientists discussed include Carolus Linnaeus, Dmitri Mendeleev, Gregor Mendel, Charles Darwin, and Vladimir Vernadsky. 4. Alternative energies include solar, wind, tidal, biofuel, and geothermal. Natural hazards include heat waves, tsunamis, earthquakes, avalanches, and blizzards.

2. Category 5
Nature
hazards
Category 4
Bare
necessities
Category 3
Alternative
energy
Category 2
Scientists
Category 1
Extinct
animals
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100
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3. A type of a large hairy
elephant with tusks that no
longer exists

4. A large reptile which
stopped existing 60 million
years ago. There were
many different types of it,
some extremely large.

5. Tiger-like animals with
long sharp teeth, existed
12 000 years ago, hunted
mammoths.

6. A bird native to North
America and once the most
abundant birds in the world,
has been extinct since the
early 20th century.

7. An extinct flightless bird that
was endemic to the island of
Mauritius, east of
Madagascar in the Indian
Ocean

8. A Swedish botanist and
zoologist who laid the
foundations for the
modern biological
nomenclature

9. A Russia chemist and
inventor. Created the
periodic table of elements

10. A Moravian scientist. The
founder of the modern
science of genetics

11. An English naturalist and
geologist, developed the
theory of evolution

12. A Ukrainian scientist who
put forward the ideas of
noosphere

13. Radiant light and heat from
the Sun harnessed using a
range of ever-evolving
technologies

14. This power is extracted from
air flow to produce
mechanical or electrical
energy

15. The transport of energy by
ocean surface waves, and
the capture of that energy to
do useful work – for
example, electricity
generation or the pumping of
water (into reservoirs).

16. Fuel that is produced
through biological processes,
such as agriculture and
anaerobic digestion, in
contrast to a fuel produced
by geological processes
such as coal and petroleum.

17. Energy generated and stored
in the Earth

18. A device which is
connected to the
telephone system by
radio, and can therefor be
used anywhere where it
signals can be received

19. A device for taking
pictures, making films or
television programmes

20. A large system of many
connected computers
around the world which
people use to
communicate with each
other

21. An electronic machine
which is used for storing,
organizing and finding
information, for doing
calculations and for
controlling other
machines

22. A device with a screen
which receives electrical
signals and changes them
into moving images and
sound

23. A prolonged period of
excessively hot weather

24. „Harbor wave“, also known
as a seismic sea wave, is a
series of waves in a water
body caused by the
displacement of a large
volume of water, generally in
an ocean or a large lake.

25. The perceptible shaking of
the surface of the Earth,
which can be violent enough
to destroy major buildings
and kill thousands of people.

26. A rapid flow of snow down a
sloping surface

27. A severe snowstorm
characterized by strong
sustained winds of at least
35 mph and lasting for a
prolonged period of time—
typically three hours or more