There is two syllables in cua-les.
5 is true 6 is also true
Estar is to be. But estar can be estoy, estas, esta, estamos, and estan. You can ask “Como estas” which is “how are you”
Estar is also used to express a person or item's geographic or physical location.
Answer: English (NO)
Not in English this says, It is bad that nature's sources are polluted because it is bad for the environment and animals. It should have commas before because and before and.
Explanation: Spanish (YES)
It should say Es malo que las fuentes de la naturaleza estén contaminadas, porque es malo para el medio ambiente y los animales.