You should call a doctor and book an appointment, it sounds like it could be infected. If the infection gets too bad your friend might fall seriously ill or worse.
The display of wisdom and a comfortable life component of the means-end chain is the Product attribute.
Product attributes are properties that define a particular product and influence consumers' purchasing decisions. Product characteristics can be tangible (or physical) or intangible (or intangible).
The three elements of product attributes (overall product quality, actual product features, how features are integrated with each other, and what the product looks like) are very important decisions for product success.
Learn more about Product attributes here: brainly.com/question/14563539
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Answer: electrical signals
Explanation:
