Answer:
negative feedback helping to maintain homeostasis
Explanation:
Hey there!
The purpose of guard cells is to control the opening and closing of the Stomata, keeping it the correct width, or size.
Therefore, your correct answer would be Option 3, control the size of the Stomata.
Hope this helps!
Divergent plate- The motion of the boundary is outward making new crust beneath the earth
Convergent - going inward the denser crust goes under the less dense crust which pulling the crust inside the earth melting it down
Transform- is just slide by each other nothing is going into the earth or spreading out making new crust is just slide the plate boundaries
