According to the information it can be inferred that Kristina had to sing during the Baroque Era with her own voice without the help of an electronic device such as a microphone because at that time it did not exist.
<h3>What is a microphone?</h3>
A microphone is an input device used to transform sound waves into electrical energy and vice versa in sound recording and playback processes. This device was created at the end of the XIX century.
Based on the above, it can be concluded that Kristina could not use a microphone during the baroque era to amplify her voice because the baroque was during the 17th century and the microphone was developed in the 19th century.
Learn more about microphone in: brainly.com/question/12484674
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I do not know what you mean but nice horse though
Answer:
Answer : If this happens avoid using the high power objective lens, instead use other power lenses.
One should always use the compound microscope with great care. If the high power objective lens breaks the cover slip, it should be immediately informed to the teacher, professor, or any one who is authorized to handle this situation.
You can avoid this situation to occur by being extra careful, while using the high power objective lens adjust the lens using the fine knob adjustment.
