Rift valleys can form when fractures in Earth's crust widen. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys? A. Rift valleys form where a continental plate moves under an oceanic plate.
B .Rift valleys from where a plate slides horizontally past another plate.
C. Rift valleys form where two plates move away from each other.
D. Rift valleys form where an oceanic plate moves under another oceanic plate.

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

How does the parallax of a nearby object compare to that of an object farther away?

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?