The correct answer is A! Hope this helped!
Answer:
I, II, III, IV
Explanation:
Evaporation happens when a liquid turns into a gas.
Condensation happens when water vapor turns into a liquid.
Examples of precipitation is rain and snow. Runoff does happen because of precipitation.
Bacteria fixes nitrogen into forms by usable plants. Bacteria is very important to to the water cycle.
It is necessary to calibrate the ocular micrometer with each objective because the magnification of each objective lens are different. The numerical value is specific and only holds for a specific objective ocular lens. So, they should be checked accordingly.
