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Step 4. underwater turbines to exploit wave energy

Step 3. hydroelectric power plants to exploit the power of the sea

Step 2. solar panels to use the sun's energy and not pollute

Step 1. wind turbines for electricity

renewable energy sources

Unfortunately, many cities suffer from the problem of dirty streets, and why we want to deal with this too

We can discuss separate waste collection and the improvement of street hygiene services

the first point to deal with is waste disposal

GerlaNda

Brothers

Of The

World

4

3

2

1

Brothers or the world

Change the school grade system since it does not fully reflect the student's abilities

psychology courses for teachers to have a better approach with students

2 point

Brothers

of the

world