The answer is going to be the letter D, nitrogen. I hope this helps!!
10% and the rest of it go to the energy of the animal
Answer:
What can be awnsered by science are question 1,3, and 4 (Going top from bottom). The rest cannot be answered by science. ((I'm not 100% but I'm pretty confident)))
THE AMOUNT OF LIGNIN PRESENT in a cell is responsible for this. Once a plant cell stops enlarging, the primary cell wall is reinforced by a secondary cell wall. The secondary cell wall is made up majorly of lignin, which serves a structural function in plants. It provides a skeletal function and ultimately determined the shape of the cell.