Nervous system injuries include concussions and cuts or other damage to the spinal cord. These injuries are usually caused by external impact to the body part extremely severed. They primarily comprise a diverse group of disorders that also affect the brain.
The group number tells us about the size weight and molecule elements involved. Also tells us about what types it can form and combine with as well as its reactions also
Answer:
d
They do not depend on the amount of substance you have.
DNA and rna!!!!! Hope it helps
The values change in factors of ten.
