Question

what is one of the main reasons people use mobile browsers?
they have larger screens.
they are easier to use with touch screens.
they have more features than desktop browsers.
they are slower than desktop browsers.

Explanation:

Mobile browsers are designed to be compatible with touch - screen interfaces which is a key feature of mobile devices. Desktop browsers are mainly designed for mouse and keyboard input. Mobile screens are generally smaller than desktop screens. Mobile browsers do not have more features than desktop browsers in most cases. And being slower is not a reason for using them.

Answer:

They are easier to use with touch screens.