The correct answer is letter b
Answer:
Push notification services.
Explanation:
Push notification services can be used to deliver important messages on mobile devices in an efficient and timely manner. The different mobile platforms such as android, iOS have their services which makes it easy for Jabez to send the messages to users with a specific brand and type of mobile device. The messages will pop up on the mobile device of the user, whether the app or the website associated with notifications is running or not.
WERE IS A B C D I CANT GIVE YOU ANSWER
Adding a filter to a picture can change the whole effect of the picture. Say you wanted a more vintage theme for your picture, you could use a black and white theme to give it an old timey feel. Different filters can add effects to the picture, maybe the filter gives your picture a blueish cool toned tint, or maybe it adds more light to the filter.
