What’s the line in the middle of the earth

In a short paragraph, describe your hometown in terms of its population and impact. do you live in a town or a city? is your home a higher-order or lower-order settlement? how does your hometown interact with other towns in its region? (houston)

Sarah is making a scale drawing of a painting that is 48inches wide by 120 inches high her paper is 12 inches wide and 24 inches tall she decides to use a scale 1 inches equals 4 inches is this a reasonable scale

The covers all of earth like a thin shell, but it is not a solid sheet of material. it is broken up into several large sections and many smaller ones. fill in the blank.