2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.
3. It prevents dust from settling on the scope and in the lenses.
Explanation:
deoxyribose
it's a carbon based sugar molecule
This answer to this question is true
Answer:
Arteries connect to capillaries and veins don't connect to capillaries
Explanation:
Actually both are connected by capillaries