Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
There are 5 main types of pathogens that can harm other organisms and cause diseases. They are viruses, bacteria, fungi, Protozoa, and worms.
In graphite, carbon atoms are arranged in layers. Graphite has cleavage because the weak bonds between the layers break easily. Add a description wheel for fracture in your notebook.
I can help you... what do you mean?
