Answer:
the conservation of mass means matter can be created or destroyed, it only changes forms
Explanation:
plz mark me as brainliest
It's genre. Look for something either on a final or starting page near the cover, and check to look if it's non fiction, or anything else that could prove it as reliable.
Answer:
tbh id k i've never read it so if u could send the link I could help you.
Explanation:
Its just called a test tube holder