Answer:
Emm... Answer what exactly
Some of the things observed when a human red blood cell is placed under a microscope are:
- They have a donut shape
- They look like biconcave discs
- The presence and/or absence of a nucleus
<h3>What is a Microscope?</h3>
This refers to the lab tool that is used to view very small objects in detail to find out their properties.
Hence, we can see that although your question is incomplete, a general idea of things that can be observed when a human red blood cell is placed under a microscope was discussed.
Read more about microscopes here:
brainly.com/question/13520094
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In the deep ocean, currents are what sea creatures use to travel at a faster and easier rate. If these currents decrease than it would be hard for them to travel. For example, if a sea turtle needed to lay her eggs, but there was no current, she might not get to land on time before she has to lay them.
The answer is bacteria because protoans is not in plural though its unicellural and bacteria is in plural and the question is asking in plural form