Edge Animate provides access to many other events that browsers fire in response to the user performing an action with a mouse or with a mobile device.

Which of the following is a part into which a DTD like the one in the accompanying figure can be divided?

A. internal subset B. system identifier C. root element D. public identifier

Modems enable computers to talk to each other via standard commercial ______________ lines by converting analog signals to digital signals, and vice versa.

Fill in the blank(s) with the appropriate word(s).