Answer:
A compound microscope uses two or more lenses to produce a magnified image of an object, known as a specimen, placed on a slide (a piece of glass) at the base. ... The light rays hit an angled mirror and change direction, traveling straight up toward the specimen.
Explanation:
Im not really sure what you mean by this but, from what I get, we all humans, animals, and plants need oxygen and food to survive. tree are very important cause we need them to give us oxygen, and we need animals or plants to have food. Hope this is what you were looking for.
Answer: you arre to write a hypothises which is your perspective basically
Explanation:
