Human development is a complex process. where does human development occur?
a. in a structure of the female urinary system
b. in a structure of the female digestive system
c. in a structure of the female circulatory system
d. in a structure of the female reproductive system

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.