Is the water it's transparent, colourless and odourless?
Yes
Why are the river important for the humans?
give food to all living things, they can use for transport,for irrigation and provide power (hydro-electric)
Think in a lower course river
Guadalquivir and Ebro
What are the rivers?
The rivers are everywhere and are like us. The born, ythey grow and they die. They start in the source and finish in the mouth,most rivers die in the sea
In the upper course
The water is fastflowing,clear,unpotulled and full of oxigen
What is water cycle?
Is the process that the water carry out
What are the phases of water cycle?
Evaporation,Condensation, Precipitation and Transpiration
Which is a middle course quality
are wider and deeper, are less oxygen, the water is slower and sometimes cloudy