Answer:
a- Animals do not react positively to human products being tested on them as they are used to determine faults and any harm.
b- the human products often contain harmful chemicals in testing stages on animals which can lead to genetic disorders
c- because there is no definitive answer which is why they're testing to find our what is going to harm the humans
Instead of writing it in ENGLISH you should have wrote it in the SPANISH ☺️☺️☺️
Answer
stay in his room and share with his grandfather?
Explanation:
I believe that flashbacks could be used to slow the pace of a story. If you are telling one story, and then decide to introduce a flashback, that would only slow down the story you are already telling.