Ossiculoplasty is the term to repair the outer ear.
Answer:
A simple microscope
Explanation:
Because it only has a single lens
Well Rocks at high elevation are exposed to low temperature and high winds they weather quickly and rock at sea level can be weathered by the ocean waves.
Tentative means possible
So a possible explanation of any matter on whuch you are working will be called astentative explanation which may be correct or incorrect
