I will help you with answering this question.
Answer:
D because excited electrons fall back.....
Answer:
It is the last one.
Explanation:
Water molecules are polar, they have cohesive properties, and water is less dense when it is solid than when it is a liquid, that is why ice floats in liquid water. However, water is a very good solvent, it can dissolve many solids, including sugar, salt, and other hydrophilic substances.
The least common multiples of 4, 10, and 16 is 80.
