What part of the microscope is used to adjust the amount of light on the specimen?
the revolving nose piece
the diaphragm
the stage
the objective lens

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Monitor and apply fix up strategies

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.