They are most mainly consists of "Keratin"
So, option B is your answer.
Hope this helps!
1) don’t use tobacco
2) eat healthy
3) be physically active
4) protect your self from sun
5) get vaccinated
6)avoid risky behaviors
7)get regular medical care
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
Answer:
True
Explanation:
Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air. ... The trachea, or windpipe, is the continuation of the airway below the larynx.
The correct answer is D. Sanitizing solution.
Dangerous bacteria should not likely be found in a sanitizing solution. This is because it is supposed to be clean and have undergone testing. Also, if a dangerous bacteria will be found in a sanitizing solution, then that would be a big problem.
