Explanation:
element with atomic numbers 7 and 83 have 5 and 5 valence electrons
Is air a compound mixture or a element. compound
Answer: Mutations are important to the evolution of a species because is creates new DNA for a certain gene, creating a new allele.
Hope this helps!!! Good luck!!! ;)
Advantages
less wasted energy
Reduces fossilisation
Disadvantages
- Expensive
- doesn't look nice ( apparently)
