False let me know if you would like me to explain.
Answer:
She should hang up a feeder of the old food next to the feeder of new food to test which one they really like more.
Answer:
Offspring of a horse and donkey are unable to reproduce.
Explanation:
The biological concept of species states that:
A species is a group of organism with similar characteristics, that can interbreed and have a fertile offspring.
Horse + donkey = mule. A mule is a hybrid and is not fertile.
Chemical changes are not usually physical so you can’t see them I guess so I would put D
