PRACTICE
systems are economical to use.
for scholarship since his excellent graduation.
(heat)
(apply)
(limited)
at burning up calories.
(efficiency)
to ensure success in a growing market.
(innovation)
(innovation)
(consume)
(consume)
(consume)
in
(affect)
(affect)
the lake near my school.
(affect)
(need)
(replacement)
(leak)
(leak)
(energy)
(energize)
(waste - efficient)
1. Solar domestic heating
2. Nam has applied
3. Solar energy is cheap, clean, and unlimited
4. As we get older, our bodies become less efficient
5. We must constantly adapt and innovate
atoes
6. People who innovate are called novator
7. Governments now take steps to control the amount of fossil fuels Conmption
8. The electricity industry consume large amounts of fossil fuels.
9. Gas and oil consumption always increases in cold weather.
10. Underwater electricity transmission has been successfully put into
several parts of the world.
11. His health was seriously affected
12. I'm writing to you about a bad situation, which is affecting
13. Air, water, and oil can't be
14. We suggest
necessaly to the survival of all living things.
the light bulb. It is broken.
placing
out.
15. The secret has leaked
water pipes.
16. A plumber is a person who repairs an
17. Our children are very o
boys and girls.
-saving methods and inventions to use solar energy.
18. There are
znagy
19. Let's learn how to spend moneyting and effectively
30
and he suffered from constantly sleeping.
3

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