Answer:
I think it's C. but not a 100%
Explanation:
It's placed near the door. When a visitor presses the button, the bell rings inside alerting you that someone is at the door.
Answer:
it may not be easy
Explanation:
because am using a phone not a cuputer
Answer:
option D.
Explanation:
A web browser is a software program that allows a user to locate, access, and display web pages. Browsers are used primarily for displaying and accessing websites on the internet, as well as other content created using languages such as Hypertext Markup Language (HTML) and Extensible Markup Language (XML).
it acts like an interface between a user and a world wide web
