In addition, severe impact of human activities makes these relations more complicated.

此外，剧烈的人类活动也使得这些相关性更为复杂。

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Touch the four buttons on the stand and view the contents to learn the impact of human activities on the natural environment.

触摸台体上的四个按钮，选择观看内容，了解人类的各种活动对自然环境的影响。

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Because of the impact of human activities increase, a variety of substrate constant landscape fragmentation, patch shape becomes more irregular.

由于人类活动影响的加重，各种基底景观不断破碎化，斑块的形状变的更加不规则。

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Pupils are looking at what effect an ongoing scheme to close up the ditches, started two years ago, is having on the local environment and find out more about the impact of human activities on the moorland.

BBC: Gwynedd pupils dig deep to study the health of peat

The ocean also absorbs almost 25% of the CO2 added to the atmosphere from human activities each year, greatly reducing the impact of this greenhouse gas on the climate, while becoming more acidic in the process.

UNESCO: OFFICE IN BRASILIA