If the two guard cells of a stoma increase their concentration of potassium (K+) ions, what will happen to the corresponding pore?
A) The pore will close, preventing water vapor from diffusing out of the leaf.
B) The pore will close, preventing CO2 from diffusing out of the leaf.
C) The pore will open, allowing CO2 to diffuse into the leaf.
D) The pore will open, allowing water vapor to diffuse into the leaf.
Correct Answer:
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