Answer: A
Explanation: 2 Reasons. One, it makes more sense than the others. And two, it isn't talking about an actual gun so not d. Why would he need muscles? Answer that. If you can't it's not C. B....Just no. So A.
Answer:
Energy
Explanation:
When we provide energy to an atom then electrons present in non-valence shell get excited and reach to higher energy level. ... Hence, we can conclude that energy can be added to an atom to cause a non-valence electron in the atom to temporarily become a valence electron.
Answer:
B and C (second and third option)
Explanation:
you need to list the sentences then i can help you
