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Презентация на тему Deforestation (вырубка)

In many parts of the world (for example, in the tropical forests of South America and Africa) deforestation occurs in high quantities.
Deforestation In many parts of the world (for example, in the tropical forests It is very profitable to be in the tree business Even with the positive aspect of the wages, deforestation is damaging One example of the negative effects caused by the cutting Another example of a negative effect cause by deforestation is The third negative effect, is shown that plants cut down, Lands degradation in drylands Hopefully, sooner or later people will realize that deforestation is unnecessary.
Слайды презентации

Слайд 2 In many parts of the world (for example,

In many parts of the world (for example, in the tropical

in the tropical forests of South America and Africa)

deforestation occurs in high quantities.


Слайд 3 It is very profitable to be

It is very profitable to be in the tree business

in the tree business and that is the reason

many people seek to be hired in this area of business rather then any other.

Слайд 4 Even with the positive aspect of the

Even with the positive aspect of the wages, deforestation is

wages, deforestation is damaging the Earth, her
animals

and
her natural
resources.


Слайд 5 One example of the negative effects

One example of the negative effects caused by the cutting

caused by the cutting down of trees is that

it will eventually lead to a lack of oxygen in the air. Trees eat carbon dioxide and, in turn, produce fresh oxygen into the air. It's a cycle change dramatically if a large percentage of trees in the world are destroyed.


Слайд 6 Another example of a negative effect

Another example of a negative effect cause by deforestation is

cause by deforestation is many species are killed, and

with concern to the rainforest, many endangered
species have no hope to
survive. When deforestation
occurs, animals homes
are destroyed and
they are with them.

Слайд 7 The third negative effect, is shown

The third negative effect, is shown that plants cut down,

that plants cut down, burn and destroy to release

a place for cars. In the rain forest there have been many plants that proved useful in medical procedures and even plants that cure such things as cancer or reduce the white blood-cell counts.


Слайд 8 Lands degradation in drylands

Lands degradation in drylands

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