Answer:
But just because brain cells may be able to live indefinitely doesn't mean humans could live forever. Aging is dependent on more than the life span of all the individual parts in the body, and scientists still don't understand exactly what causes people to age.
The answer is D) they contain writing made of symbols!
Some of the importance of user interface are:
- It helps to meet user expectations
- It helps to support the effective functionality of a site.
- It enables effective interaction between the user and the program
The different UI are:
- Command Line Interface.
- Menu-driven Interface.
- Graphical User Interface.
- Touchscreen Graphical User Interface.
<h3>What is a User Interface?</h3>
This refers to the process in which designers use to build interfaces in software or computerized devices, focusing on looks or style
Hence, we can see that Some of the importance of user interface is given above.
Read more about user interface here:
brainly.com/question/28150985
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