Answer:
<u>Case I
</u>
Magnification is the ability of a microscope to magnify the object for an enlarges vision.
The magnification of a microscope is calculated by multiplying the lens power of the objective lens to the lens power of the eyepiece.
Magnification= objective lens (power) X eyepiece ( power)
<u>Case II
</u>
To focus a microscope using a lens of high power in the following way:
1. Place the specimen slide on the stage.
2. Turn the revolving turret and focus the lens over the specimen.
3. Look at the stage and the objective lens from the side and move the stage upward.
4. Move the object as up as it can go taking care of that objective lens do not touch the coverslip.
5. Move the focus knob until the image comes into focus after viewing from the eyepiece.
The precaution that should be taken is that keep the high power lenses away from the light.
I am very sorry, but all I can provide is that Dawn must have used the balance incorrectly or her other classmates didn't account for certain factors that Dawn did. I would really love to help, but I would need more information.
a substrate binds to an enzyme at the active site, where the reaction occurs.
The lion population will decrease because their prey is being hunted
You might put harmful toxins in the beach or into the ocean which would kill wildlife
