Answer:
the answer would be ;B compare the volumes of the three cylinders
The answer you're looking for is photosynthesis
Answer:
At anode - 
At cathode - 
Explanation:
Electrolysis of NaBr:
Water will exist as:

The salt, NaBr will dissociate as:

At the anode, oxidation takes place, as shown below.

At the cathode, reduction takes place, as shown below.

Answer:
carbon
Explanation:
tbh im not sure just guessing