Answer: Tobacco/Smoke
Explanation:
When it goes into your lungs, it affects you causing a way to have difficulty breathing.
Active transport is usually associated with accumulating high concentrations of molecules that the cell needs, such as ions, glucose and amino acids. Examples of active transport include the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plants.
The southern hemisphere would be experiencing winter :)
The temp increased which caused the balloon to expand and burst