Answer:
4%
Explanation:
the answer is 4% , hope this help
OH- is the ion that increases the concentration of a base
True because a dehydration reaction is a conversion that involves the loss of water from the reacting molecule or ion. Dehydration reactions are common processes, the reverse of a hydration reaction. Common dehydrating agents used in organic synthesis include sulfuric acid and alumina. Often dehydration reactions are effected with heating.
<h2>Answer:</h2>
The correct answer is option B which is fusion occurs in the sun.
<h3>Explanation:</h3>
- Fusion in nuclear physics is an reaction in which two or more nuclei fuse to form another atom and due to mass conservation they also release energy.
- This reaction is common in sun and provides energy to sun.
- In sun two hydrogen atoms fuse to for a helium nuclei and giving some amount of energy.
- In sun there are 620 million metric tons of hydrogen fuse together each second.