Answer:
<em>When focusing on a slide, ALWAYS start with either the 4X or 10X objective. Once you have the object in focus, then switch to the next higher power objective. Re-focus on the image and then switch to the next highest power.</em>
Because the water didn't disappear, it just evaporated and now is water vapor in the air.
False it is does not have plants it can be release oxygen gas to the atmosphere