Kwang-chih Chang has linked the development of civilization in China to:
a. the restricted access to the means of communication
b. the development of irrigation systems
c. the emergence of agriculture
d. extended periods of cold and dry weather
e. the emergence of efficient transportation systems
Question 2
Which of the following statements concerning the relationship between climate change and the emergence of civilizations is accurate?
a. Climate change is insufficient alone to explain the rise of all civilizations.
b. Climate change always played an important role.
c. There is little correlation between climate change and the emergence of civilizations.
d. Climate change can never account for the emergence of civilizations.
e. The presence of severe drought conditions can be linked to the emergence of civilizations.
Enzyme-linked receptors
Prenatal development in humans.
Embryo and fetal development during weeks 1–25 of gestation.
Water Access
Economic Development
Plot of the percentage of X-linked recessive mutations