↑Domichinica
↓Fodinichnia
↑Pascichnia
↓Cubichnia
↑Repichnia
The correct answer is:
b: Heluim
Explanation:
The caffeine contains:
carbon , nitrogen , oxygen ,
hydrogen.
Caffeine is a primary nervous system energizer of the methylxanthine class. It is the world's most universally consumed psychoactive drug. Unlike many other psychoactive elements, it is fair and unlimited in nearly all parts of the world. Caffeine can be arranged as an alkaloid, a term used for substances originated as end results of nitrogen metabolism in some plants.
Answer:
Carbon
Explanation:
I just finished this and that's what I got from my periodic table.
Sorry I don’t know the answer but sorry about this person