Serotonin which is an abnormal chemical activity in the body's endocrine system.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The economic questions that are not covered in Mark's scenario could be the following.
Mark needs to ask about what its competitors might be. Direct and indirect competitors in the zone. He has to know the kind of products they are selling, their prices, offers, and promotions, so he can make business decisions.
Another question he is missing is his business plan. He needs a full business plan so he can consider all aspects and variables during the opening and the firsts years. He also needs to ask himself if he has enough resources to outlast the competitors.
The stage that involves the change and adaptation of a system is upkeep and maintenance.
Developing a new system is a complex process that requires multiple steps and stages. The most important stages are:
- Planning.
- Design.
- Development.
- Testing.
- Upkeep and maintenance.
From these stages, the last one "upkeep and maintenance" is the one that requires adapting the new system that has been already designed. This is the last stage because even after testing the system it is likely this has to be fixed or adapted, the most common reasons are:
- Fails that were not detected during testing.
- Upgrading the sytem.
- Including new features to meet customers' needs.
Based on this, the phase during which the system is fixed or adapted is the upkeep and maintenance stage.
Learn more in: brainly.com/question/11685301
