What is an estuary? 5 impressive estuaries
An estuary is a wide, deep river mouth into the sea, a place where an exchange of...
Nature
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Acid soil: what it is and which plants prefer it
Soil is one of the most important natural resources on the planet, and its quality is essential for success...
What is the tramuntana?
The Tramuntana is a wind that blows from the north and northeast that is cold and turbulent. In Spain, it blows with...
What is market agriculture?
Agriculture was the first technique that helped human beings stop being nomadic. Since then,...
Ecosystems: Types according to their environment and their origin
Surely you have heard about ecosystems and the importance they have for the planet. But did you know that there are...
What are the most important rivers in Europe?
The data provided by the European Environmental Agency is that 80% of the fresh water we consume comes from...
What is a cliff and how are they formed?
When we talk about a cliff, we are referring to a geographical feature that is characterized by a steep slope. This type of...
What are the colors of the rainbow?
The colors of the rainbow that we observe in the sky after a day of rain are pure colors which define...
Why is the sky blue?
The quickest and simplest answer to why the sky is blue is that the air in the Earth's atmosphere...
What is the longest river in the world?
Surely, on more than one occasion during your time as students you have been asked which was the most...
What is the Mariana Trench
It is very curious to think that human beings have traveled to the moon more times than to the ocean depths...