•unemployment—industrialization
•soil depletion—abundant resources
•political persecution—personal liberties

the items above are examples of

unsustainable development

overpopulation

push-pull factors

urban form

What is a small water source like a stream or brook?

Hurry on the map above, arrow 1 points to a region where most people are

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.