Question

1. explain how to focus a microscope using the high - power lens. include any safety issues you need to be aware of.

Explanation:

First, focus on low - power. Then, switch to high - power and use fine adjustment knob. Keep slides and lenses clean. Avoid crashing lens into slide.

Answer:

1. Focus on low - power first.
2. Switch to high - power.
3. Use fine adjustment knob.
4. Keep equipment clean.
5. Avoid lens - slide contact.