Reading background information because it gives ideas from the author himself.
Poaching is what it is called
Answer:
We need a pic to help you.
Explanation:
If the chemical touches another chemical, then there is a higher probability that it's going to react.
Answer:
because viruses adapt and change over time. so by the time they come up with something that might help, the virus would most likely be different and harder for the vaccine to work
Explanation:
