Answer:
Diaphragm
Explanation:
This is also referred to as the iris.it is located under the stage of the microscope. It's main role is to control the quantity of light that gets to the specimen. The diaphragm is adjustable. Each if the 5 holes in the disc have varying diameter. And it is helpful for adjusting contrast and resolution as regarding the specimen
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Cell wall won’t be found in a animal cell since it’s only there in a plant cell.
The frontal lobe takes about 1/3 of the cerebral cortex.
