You didn't post the choices, but I have seen this question before. If your choices are:
<span>
A. Scientific Research
B. Imports
C. The Internet
D. Immigration
</span>
The answer will be C. The Internet.
Always make sure to post the possible answers to your questions if they are multiple choice. If you do not, we can not help you as well.
Answer:
1. carbonation
2. Hydration
3. Hydrolysis.
4. Oxidation-reducation reaction
Is 195 countries in the world
On Earth. A small planet in our solar system. Rotating the sun. In a Galaxy we have come to call The Milky Way