Answer:
I believe its C
Explanation:
C because when you'll have control over the variables (salt and water) You can measure how much salt or water is actually needed to determine the freezing temp.
Answer:
renewable and non renewable resources
Answer:
a) Componentes sociales
Explanation:
migración – Movimiento de personas fuera de su lugar de residencia habitual, ya sea a través de una frontera internacional o dentro de un país.