Answer:
Second option
Explanation:
We started using fossil fuels which are the main cause of climate change
Answer:
are electrical signals
Explanation:
Feel free to correct me, I'm just trying to help
Answer:
having a smooth or lubricated surface may help decrease friction.
Explanation:
The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.
Answer:
in solution of PH4 it is red
in water it is blue