I’m not sure but I think A
A metallurgical microscope
A master's degree<span> in orthotics and </span>prosthetics<span> is required to work as a </span>prosthetist<span>, along with a 1-year residency. During this </span>education<span> and </span>training<span>, students learn about various types of devices and get clinical experience. After completing these requirements, they </span>can<span> take the national certification exam.</span>
The immune system helps fight off infections and foreign invaders
Answer:
C. Water
Explanation:
The cells in our bodies are full of water. The excellent ability of water to dissolve so many substances allows our cells to use valuable nutrients, minerals, and chemicals in biological processes. Water's "stickiness" (from surface tension) plays a part in our body's ability to transport these materials all through ourselves.
