By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
HABITAT.........................................................................
Answer:
Explanation:
The climate of Ireland is mild, humid and changeable with abundant rainfall and a lack of temperature extremes. January and February are the coldest months of the year, and mean daily air temperatures fall between 4 and 7 °C (39.2 and 44.6 °F) during these months.
Cytoplasm or endoplasmic reticulum