When an atom transfers/ gains a valence electron, it gains either a positive or negative charge. in the Proces, becoming an ion. because of the negative/positive charge the two ions are now attracted to each other.
Carrying out experiments to prove a point and to further knowledge about the world around us and the galaxy we live in
Answer: DNA can be used to identify criminals with incredible accuracy when biological evidence exists.
Explanation:
In cases where a suspect is identified, a sample of that person's DNA can be compared to evidence from the crime scene. The results of this comparison may help establish whether the suspect committed the crime.
No Problem at all!
