The world's first civilizations arose in , early centers of civilization whose ideas and practices spread to surrounding
areas.
A. Cultural Diffusion
B. Culture Hearths
C. Mountainous regions
D. Coastal towns

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].