Answer:
La opción correcta a la cual se refiere la frase "el ciudadano es el eslabón clave en esta cadena de la sostenibilidad" es:
A. La viabilidad de una ciudad depende de sus habitantes.
Explanation:
Answer:
D
Explanation:
Double the first equation. Write the second below it. Rearrange the second.
2x - 20 = - 4y
<u>-2x -16= +4y</u> Add.
- 36 = 0
There is no solution to this pair of equations.
Just you know what that is but if I’m clearly about that question then I don’t know what to tell you and beside I don’t know the answer too
It produces a hydrazone in which the carbon is attached with the nitrogen atom with the means of a double bond.