ANSWER: The presence of cork cambium depicts that the plant has undergone secondary growth.
EXPLANATION: Cork cambium is also referred to as is also known as Phellogen (a meristematic cell layer). It is found in vascular plants and located in the peridermis.
However, presence of cork cambium indicates that the plant has undergone secondary growth, which is elicited as a result of cell division in the cambia or lateral meristems, which in turn causes the stem and root to thicken.
Prolonged space travel affect the muscular system by making it weaker since there is no gravity for you mussels to fight
Calcium has twenty neutrons.
I believe the answer should be solar since it is a natural energy source but I can’t be sure.
