Some people believe that children's leisure activities must be educational, otherwise they are a complete waste of time. Do you agree or disagree?
At present,
energy
is the main concern of governments throughout the world. Many countries consume energy
, therefore
the world cannot meet the enormous potential needs. One way we can take is to use alternative sources of efficiency. Therefore we
will discuss three sources, renewable functions will be most effective in solving Accept comma addition
Therefore, we
this
problem.
The first
is wind
energy
. The wind
uses large turbines placed in the hills or offshore. The wind
changes the blades and energy
is produced. There are several benefits of using wind
energy
, which are relatively inexpensive, zero pollution, and can be used on a small or large scale. Besides
that wind
energy
can also
be detrimental. Many people consider blast turbines to be ugly and noisy. Another disadvantage is that if it is not windy, no power is generated. Also
wind
energy
can be a threat to birds and wildlife.
The second
is the sun. Solar panels absorb sunlight and, using photovoltaic cells, convert it into electricity. Solar has several advantages, namely that it cannot be used up because it is sourced from the sun, there is no pollution, and can be adapted to work in various buildings / in various environments. In addition
, diesel fuel also
has several disadvantages, such
as the vast land required for production. Solar can also
only be used in bright parts of the world and can only operate at certain times of the day and cells that are fragile and easily damaged.
The third
is hydropower
. Hydropower
uses the pressure of moving water to change turbines that produce energy
. Hydropower
can use rivers, waterfalls, or the sea. There are several advantages to using hydropower
, such
as it will not run out and energy
can be stored and used when demand is highest. In addition
, there are some disadvantages to using hydropower
, such
as the environmental impact on aquatic life, expensive initial construction costs, and areas that may need flooding if a dam is built.
In conclusion, I believe that the use of new energy
sources is an indispensable step forward. therefore all
we have to do is try to save the available Accept comma addition
Therefore, all
Therefore all
energy
.Submitted by nadia on
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