Its to make plant food, or photosynthesis
Give you lack of nutrition and will take a toll on your ability to function through out the day. feeding your brain is like getting rest so you are recharged with out it you get tired sluggish and grumpy easily.
This is all of them i believe...
OK so I believe the best option for you to go with will be Pelvic inflammatory Disease.
“Scientific models are often used in laboratories to represent Earth's processes. While field tests and observations are vital, physical, digital, and mathematical models are useful tools in the laboratory. Models provide insight into complex processes that might otherwise be difficult to grasp”
