the answer is b but i don't know the last one srry
Answer:
Explanation:
It is important to prevent the spread of a virus by following the guidelines.
If everyone follows the guidelines, a virus/disease will eventually die out.
This is a disease called Artherosclerosis. Note however that this is way different then Arteriosclerosis which is the hardening of the artery wall.
Answer:
1.)There might not be visible signs
2.)No history of ill health
3.)No family
4.)Autopsy can be difficult if the body is old
