Answer: In this example, the ice cream is the REWARD for Positive REINFORCEMENT.
Explanation: In Psychology, reinforcement can be defined as the process whereby a behavior with desirable consequences comes to be repeated. Reinforcement is applied to promote or encourage a behavior in the future.
It is a part of Web-Design.
Web-design includes every effort that made by the site owners to enchance the users' experience when visitng the websites.
Examples of web-design related activities are Giving color and images to the site, providing the website with helpful user interfaces, adjusting how the articles are being displayed, etc.
Answer:
(B) murder and conspiracy.
He conspired with the friend pharmacist to get the drug that caused the death.