The first one is right and so is eight you have to add them together to see if they go together if they dont add what is missing
Answer:
Here it would be A,B and C because all the examples are violating safety precautions. They are all examples of un safe signs.
Hope this helps
Explanation:
What do you mean by that Oh wait do you mean like 2×2=4 or 2+2=4 something like that maby?? I am still confused?? XD
Answer:
Un enlace químico es una atracción duradera entre átomos, iones o moléculas que permite la formación de compuestos químicos.
Explanation:
The balanced equation is 2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O