Anything can happen, everyday scientist are finding new electrons, metals, etc.
Over the next 50 years we could see way more metals, gas, etc.Knowing that anything can happen we would probaly see in increace.About 50 years ago our periodic table has less gas, etc on it.Back when the peridoc table was made there where barley any elements on it.There was a process of more elements beig added.You will never know when a new element will be added until they day it is.
Advantages of Participation in Community Service:
+Image: Helping others gives you a good image. You would want to be seen as a good person, right? Helping in certain communities gives you a good image on transcripts and applications.
+Relationships: Doing the right thing can help you in your spirit. Having a nasty spirit tends to push away others, while having a nice, placid spirit will draw other towards you.
*These answers may not help as much as they could, but if you give me answer choices I can give you the complete correct answer.