Answer:
umm id'k why this keeps coming under my 'New questions in Health' thingy
Explanation:
but i like the 3rd pic.
Answer:
chapped lips and dizziness
Explanation:
thank you
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
Answer:
we laugh during pauses when we would cough or breathe
Explanation:
and i don't know the history sorry and i hope this helps