Answer:
B) The first shell only holds 2 electrons so the 3rd electron had to go in the second shell.
Explanation:
Electrons fill up from smallest to largest, the first electron shell only holds 2 electrons, so the remaining electron had to go to the second shell.
Answer:
B
Explanation:
B is the correct answer because the environment effects how the body has to adapt.
Answer:
the first and second sentence
Explanation:
B.To Understand group behavior through observation