What is the total surface area of the drawing

Answer (b) they're often rural migrants with no title to housing or rights to established businesses

Forms from the water cycle

It's probably because the earth is actually tilted and is not straight when orbiting the sun. that's why when it's winter here, it's summer in the southern hemisphere. in the wintertime in the northern hemisphere, it's colder here because it's tilted away from the sun and the southern hemisphere is tilted closer to the sun (i believe this is the case anyways)