Mitochondria! That is why it is called the powerhouse of the cell!
I think the answer is Global Development Engineering.
People in this career help sustainable development happen through the use of their inventions that are mainly energy efficienct.
They are focused on research, design, and the creation of alternative ways to promote good health and sanitation, housing, and renewable energy that will cater developing or underdeveloped countries.
GLE is one engineering team that made a solar project in Africa.
Simple! Air, Water, Food, and Shelter!
Spongy mesophyll is your answer
