Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Which of the following is a way in which the geography of the Mayan and Harappan civilizations was different? (1 point)

a
The Mayan civilization was surrounded by mountains, and Harappa was not.

b
The Mayan civilization bordered a sea, and Harappa did not.

c
Harappa was near a river, and the Mayan civilization was not.

d
Harappa had many volcanoes, and the Mayan civilization did not.