A valence electron is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom.
Option A.
Answer:
Using a combination of policy tools prevents the use of mandatory policies.
Explanation:
Answer: 1-DNA, 2-Protein.
Explanation:1- Dna is located in the nucleus of the cell coiled around chromosomes. DNA also carries instructions for protein synthesis, which is used to make cells.
That’s the answer hope it helps!!!
Around 1.5 billion years after prokaryotes.