Answer:
operating systems, word software, computer concepts for end users
Explanation:
operating systems allow users to interact with computer hardware and application software.
word software allows users to complete specific tasks, such as creating a document.
computer concepts for end users allows programmers to create new applications.
Try using socrative to answer your question it’s really good
90° because it is sent out the same angle when yo are getting reflected angle you add them both together.
