You didn’t put any of the choices for the risks, but I believe something important to consider is making sure that the tourists return the umbrellas.
Answer:
CO2 is a nonpolar molecule that can diffuse through the plasma membrane. As long as it diffuses away so that the concentration remains low outside the cell, it will continue to exit the cell in this way.
Explanation:
The milky way is a spiral galaxy.
C6H12O6 (glucose) is the answer you are looking for
