You may want to ask the questions seperatly more likely for someone to answer
Maybe her old shoes had soft worn out bottoms and she slips in them. So her new shoes had more grip than her old ones so they kept her from falling.
Aluminium Sulfide
According to rules the positive specie is named first and the negative specie is named last.
Answer:
A
Explanation:
A chemical change is when a new substance is created, which often has its own chemical properties, so A is the correct answer.
