There are 5 main types of pathogens that can harm other organisms and cause diseases. They are viruses, bacteria, fungi, Protozoa, and worms.
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)
Answer:
True
Explanation:
Vocal cords are bands of smooth muscle tissue located in the larynx. When air passes through, the vocal cords vibrate.
1. triangulation
2. amplitude
3. surface
4. c
5. a
6. d
7. b
8. Seismic waves can be used to determine the structures and materials of the earth because the waves change in their movement and behavior based on the materials or structures that they encounter.