A drop in the number and productivity of workers :/
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Answer:
The answer is C) hepatitis A virus.
Explanation:
The most likely causative agent is the hepatitis A virus.
You can get hepatitis A if:
- Eat or drink food or water that has been contaminated by feces (fecal matter) that contains the hepatitis A virus. Unpeeled fruits, raw vegetables and shellfish, ice and water are common sources of the disease virus .
- It comes into contact with the feces or blood of a person who currently has the disease.
- A person with hepatitis A passes the virus to an object or food due to poor hand washing after using the toilet.
