according to the map above, what conclusion can be drawn about most ancient civilizations?
a. they all had their origins in people from the middle east.
b. they migrated by land bridges between the continents.
c.
they usually developed near a major body of water.
d.
they were all located in areas of southeast asia.

right now 100 !

the us hoped to prevent any nations from leaning towards soviet union-based communism. the containment policy was established in hopes of keeping communism from spreading to new places.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.