Презентация на тему Deforestation (вырубка)

Содержание

2. In many parts of the world (for
3. It is very profitable to
4. Even with the positive aspect of
5. One example of the negative
6. Another example of a negative
7. The third negative effect, is
8. Lands degradation in drylands
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In many parts of the world (for example, in the tropical forests of South America and Africa) deforestation occurs in high quantities.

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,

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

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

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

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

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.