Answer:
<u>D) A base.</u>
Explanation:
A base in chemistry is something that is slippery, hence it being a soap.
When you talk about importance, it should depict the impact of investigation on a larger scale. It should benefit not only your own interests, but to a number of people. From the choices, letter A seems petty. Letter B does not really give a direct importance. Letter C is significant, but not so compared to D. Choice D is the main objective of investigations: in pursuit of discoveries.
The atom or an ion which loses electron /electrons is called reducing agent.
Whole moving across a period from left to right metallic character decreases, therefore reducing power element decreases.
This is the answer hope it helps you!!
Pluto isn't really close to the sun but from my prior perspective I don't really remember