The answer is letter d. it has only 2 electrons in its first shell and 4 in the second shell. Basing from the electronic configuration of the carbon atom, the "s" orbital of carbon atom is completely filled leaving now the "p" orbitals partially filled. Thus in this case, carbon atom has four (4) valence electrons.
A gene map of the human genome
Answer:
it leads to the formation of volcanic islands
Se crean nuevas células a partir de un proceso llamado división celular. Las nuevas células se producen cuando una célula, llamada célula madre, se divide en nuevas células llamadas células hijas.
The answer is A. Mitosis results in daughter cells through one division cycle while meiosis results in haploid gametes through two division cycles.
