Why does UDP exist? Would it not have been enough to just let user processes and send raw IP packets?

Alcohol’s affects on the cornea and lens of the eye make it more difficult

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?

Along what line of action can the camera move to follow the movement of actors for screen direction? a. along a 90-degree arcb. along a 120-degree arcc. along a 180-degree arcd. along a 360-degree arc