The 2 represents that it is a double carbon bond
it looks like..
C-C = C-C
Sulfuric acid is the answer
The answer is geothermal.
Geo (earth) and thermal (heat).
Answer:
Only 4 %
Explanation:
Just about 4 percent of the known universe overall mass consists of atomic nuclei and is therefore described by chemical components. This proportion is around 15 percent of the total mass, with dark energy becoming the majority of the material .
<span>the loss of one or more electrons & the addition of one of more electrons</span>