Well the stretchability relates to bubble size because the strechier the gum is the bigger bubble it will be able to make.
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.
<span>Members of the same species found within a particular area are referred to as a </span>Population.
Answer:
I believe it is Protein.
Explanation:
Hope my answer has helped you!