Human immunodeficiency virus. (HIV)
Aids are a infectious agent.
It spends by any contact. ex: sex, hands, and any contact.
If someone has these diseases, they need to contact a doctor ASAP, and get treat. (some diseases can be controlled but not heal, meaning can NOT go away)!
Clay boeviw. We nw it ewo
Erosion, pollution, and global warming
Answer:
Explanation:
The weakened virus's structure would be less complex to the normal virus, thus the normal virus would be able to adapt if there are dangerous changes to them.
Answer:
d) control
Explanation:
a control is what's kept the same throughout the experiment