Yes, that's right – wolves can change rivers! Watch this video and find out how.

Do the preparation task first. Then watch the video and do the exercise. Remember you can read the transcript at any time.

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We can make a big effect on the environment by simply changing our consumption habits. We can buy long-lasting clothing, appliances, or even re-use our bags whenever we go to the grocery store, instead of getting a new plastic bag.

This is an amazing history about the nature power. And how can it teach us.

There is a lot of knowledge in a short video, surprisingly effects of wolves are discovered here.

Using technological devices more wisely would be a minor change in our habits that could have a dramatic, positive impact on our ecosytem, not to mention the
beneficial effects on our lifestyle

How interesting! Wolves has became more intricate to me

This is amazing. I am surprised to know these facts. Unbelievable!

This is undeniable that everything in the Universe are connected to each other and a slight change in one element can lead to the big changes. For instance,if you turn off a light bulb that you don`t use and if this action continues among all people around the world,we will save Energy which requires precious natural resources such as oil and gas to be generated.Not wasting Energy equals not wasting money and this means we will be able to allocate more funds to environment.

Moreover, for what electric power is concerned, I would point out that its saving means mainly reducing the use of nuclear power

It's a very interesting video!

Very nice video! Specially for me who likes biology!!!

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