The great lakes in the united states contain roughly 22% of the world's fresh surface water (22,810 km3). it is hard to conceive how much water that is. write a program to calculate how deep it would be if all the water in the great lakes was spread evenly across the 48 contiguous u. s. states. you will need to do some internet research to determine the area of that region.

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Carlos, an algebra teacher, is creating a series of powerpoint presentations to use during class lectures. after writing, formatting, and stylizing the first presentation, he would like to begin writing the next presentation. he plans to insert all-new content, but he wants to have the same formatting and style as in the first one. what would be the most efficient way for carlos to begin creating the new presentation? going under the file tab and opening the first presentation, deleting all content from each page, and adding new content going under the file tab and clicking on new in the left pane, then choosing new from existing going under the design tab and clicking on themes, then selecting the theme that was used for the first template going under the design tab and opening the template that was created for the first presentation

The a great imaginary circle, or reference line, around earth that is equally distant from the two poles and divides earth into the northern and southern hemispheres.