Answer:
B. The joints make the appendages flexible and allow for movement
Explanation:
I took the test on edg
Answer:
C: Nitrogen
Explanation:
nitrogen is transparent to infrared light. the molecules are invisible because when you stretch one, it doesn't change the electric field.
Cell Membrane Semi-permeable membrane made of phospholipids that acts as a barrier between inside and outside of the cell.
Cytoplasm The fluid, cytoskeleton, and organelles inside a cell.
Nucleus Contains DNA and control's the cell's activity.
trees do not fix N2 from air they fix oxygen with the help of N2 fixing bacteria . so trees do not fix N2
1. Division 2
2. Division 2
I dont know how to explain the other ones.