The difference is the following: Fission is when a heavy nucleus is very unstable and is splitted into two lighter nuclei. Fusion is in a sense the contrary process: two light nuclei combine and release more energy
Answer:
The balanced reaction in the acidic medium is:

Explanation:

1)
( oxidation)
Balance oxygen by adding water :

Now , balance hydrogen by adding hydrogen ions on the side where hydrogen are less.

Add electrons to balance charge where positive charge is more.
..[1]
2)
(reduction)
Balance oxygen by adding water :

Now , balance hydrogen by adding hydrogen ions by adding them on the side where hydrogen are less.
..[2]
Add electrons to balance charge where positive charge is more.
..[2]
3 × [1] + 2 × [2]
The balanced reaction in the acidic medium is:

Yes baking soda is dissolved in vinegar and bubbles appear is a CHEMICAL CHANGE .
Answer:
carbon
Explanation:
Carbon forms compounds that make up about 18 percent of all the matter in living things. The processes by which organisms consume carbon and return it to their surroundings constitute the carbon cycle.