In mineralogy and crystallography, a crystal structure<span>is a unique arrangement of atoms in a </span>crystal. Acrystal structure<span> is composed of a unit cell, a set of atoms arranged in a particular way; which is periodically repeated in three dimensions on a lattice.
Crystals create a harder more fitting structure so they tend to be a lot stronger than other compounds or elements</span>
The balanced equation is:

Then proceed with the following equations.

The answer is

.
Explanation:
unorganized and unsorted i think this is the answer
C.
Because the spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body
Inner planets are rockier and outer planets are gaseous. Hope this helps! Can I have brainliest please