2. Antigen
Toxins
3. Some bacterial infections
Viral
4. Innate immune system
5. Adaptive
6. Leukocytes
7. Humoral response
Cell mediated response
8. B cells
T cells
9. Helper T cell
Cytotoxic T cell
10. Antibody production.
45 is Option 3. Number 44 is 2. Number 43 is 2. Number 42 is 2 and number 41 is Hemlock so 3
Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
It can become an ion because it can lose or gain an electron. It can become a part of molecule because it can form covalent bond with other atoms to gain a full valence shell.
Answer: A: Detecting and locating objects and moving animals in the water
Explanation:
Its used for sensing tiny vibrations in the water
