Which reasons are the best for using only the fine-focus knob under high power? select two. the diaphragm will not open wide enough by using the fine-focus knob. the stage or objectives move very little when the knob is turned. the objective will not move enough to risk breaking the glass slide. the coarse-focus knob will not turn when the microscope is set for high power

The 2 that you  will need to select are B and C.

B) The stage or objectives move very little when the knob is turned.

C) The objective will not move enough to risk breaking the glass slide.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

multiplying and dividing the two decimals and the eqations by the same number of the overalls