What would happen if a guard cells in plants stop working

The shift of a vehicle's weight around its center of gravity is known as

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

How does secondary succession differ from primary succession?