<span>The text identifies three categories of people who are good professional references: work colleagues, former employers, and </span>"former instructors or school advisers".
A professional reference means a suggestion from someone who can vouch for your capabilities and qualities for work. A professional reference for an accomplished worker is commonly a previous manager, a partner, a customer, a director, or another person who can prescribe you for business.
Answer: positive reinforcement
Explanation:
Positive reinforcement when someone has done something good in order to encourage them further a particular positive stimulus is given to that person .
This introduced stimulus increases that behaviour in such that the person will be more likely to continue doing it all over again .
Most parents use this strategy to reinforce positive behaviour in their children as this intensifies the great behaviour that has already been started.
The first digitally operated and programmable robot was invented by George Devol in 1954 and was ultimately called the Unimate. This ultimately laid the foundations of the modern robotics industry.
Answer:
African kings captured slaves that landed on the islands
Explanation:
