Answer:
Pugs appear to be ugly due to them being bred deformed by design, harboring a condition called brachycephaly.
Explanation:
A Nutrients move through the ecosystem in biogeochemical cycles. A
The result which would be seen from a properly prepared negative control is nothing.
<h3>What is a Negative control?</h3>
This type of control is used to test and ensure that in the absence of the antigen we do not still get a positive reaction.
Since proper aseptic technique was practised and there was no swabbing of the surface then there would be nothing seen in the properly prepared negative control.
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Air would go through the trachea, then the bronchi, the bronchioles, and then the alveoli.