Answer:
Permanent slides ensures preservation of the body parts of the tiny aquatic animals and also also aids good visualization.Most of the exoskeleton of these tiny animals are lost during temporary slides preparation, thus loss of visualization.
Because the animals are transfixed to a point, their body parts can not be moved.
It also saves time, energy and resources spent during observation.
However,because of dehydration during preparation their natural color may be lost which may affect observation of natural features
Explanation:
Mercury is 46 million kilometers away from the sun
Radio waves need a medium to transfer.
I think the correct answer from the choices listed above is option A. The structure that is found in both prokaryotic cells and eukaryotic cells is the cytoplasm. Other choices given might not be present in either cell. Hope this answers the question.