Chemical in Tobacco, Incredibly Addictive
This page is the CodyCross answer for the clue below from Earth, Group 17, Puzzle 1.
Question is: Chemical in Tobacco, Incredibly Addictive
and the answer is: NICOTINE
Word Meaning:
NICOTINE — (organic chemistry) An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant.
Definitions from Wiktionary.