answer:
many civilizations have flourished and then failed or fallen apart. there are many reasons for this, but many historians point to three patterns in the fall of civilizations: internal change, external pressure, and environmental collapse. the fall of civilizations is never the result of a single event or pattern.
explanation:
- this is from an online source
C. Involvement of free riders
The result of the Korean War, after years of negotiations, was to sign an armistice between the two adversaries (North and South Korea) on July 27, 1953. In the armistice they drew a new boundary, near the 38th parallel, where the border was located before the war, although it gave South Korea an extra 1,500 square miles of territory.
When reading a graduated cylinder, a proper way to do it is to read at the level of the lower or upper meniscus. It is the curve formed at the upper part of a particular liquid that is close the surface of its container. This is caused by the surface tension. It can be in a concave or convex form depending on the characteristics of the liquid. It is important especially in performing laboratory experiments as it indicates the true level of the liquid in the container. When reading from apparatus, the lower meniscus or the upper meniscus is taken as the correct reading otherwise you would record a wrong data.
Answer:
Volcanic Activity
Explanation:
Vancouver Island was formed around 150 million years ago, when volcanic activity pushed sedimentary rock upwards from the sea floor to form the island landscape. Around 12,000 years BC the retreating of glaciers allowed the Strait of Juan de Fuca to be formed as the Pacific Ocean flooded inland.
