The mechanical stage upper knob causes the stage to move which way

Right and left (X-axis)

Explanation:

This question is describing a microscope with a mechanical stage, which refers to the properties of the stage put in place to hold and move the slide. A mechanical stage consists of two knobs named X and Y knobs. They are so named after the direction in which they move the slide when used.

The X knob, which is the upper knob provides a clear view of the specimen by moving the slide in the X direction i.e. right and left. On the other hand, the Y knob moves the slide forward and backwards.

the growth of the plants is affected by the heat of the light. what is the student doing?

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.