I need help with these five questions. Please

What is the main purpose of a speech bubble in a graphic novel ?

The book the sweet-hereafter; in section four, which of the following is the extended metaphor for nichole's mental state. a) the room her father built her from the sun-room b) the wheel chair she sits in c)the computer from mr. stephens d) the teddy bear from her childhood

Assp - why is it important to participate in a global economy? write a paragraph of 2 to 3 sentences that explains your answer?