Answer:
maybe
Explanation: both idk for sure sry i tried
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
Answer:
scientist Robert Hooke
Explanation:
Interested in learning more about the microscopic world, scientist Robert Hooke improved the design of the existing compound microscope in 1665. His microscope used three lenses and a stage light, which illuminated and enlarged the specimens.
