What would happen first if guard cells in a plant stopped working?.

the correct option is C

C.Stomata would not open and close.

This is because guard cells play an important function of controlling stomata. the ensures that stomata are open during the day and closed during the night for the purposes of photosynthesis. The stomata are the pores that are found on the under surface of a plant leave, whose role is gaseous exchange.

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck