Morgan elaborated upon his theory of social evolution. Anthroposophy describes a broad evolution of human consciousness. This gave scientists further insight into the evolution and origin of humans. Third, the biological evolution of mankind. They are a synergistic blend of biological evolution and technological engineering. Hypotheses of social evolution and cultural evolution were common in Europe. Hinduism includes a range of viewpoints about the origin of life, creationism and evolution. Lamarck constructed one of the first theoretical frameworks of organic evolution. Wallonia exemplified the radical evolution of industrial expansion. These studies were used to improve the modeling of orbital evolution and decay. Metals condense in planets as a result of stellar evolution and destruction processes. As sexual reproduction developed by way of a long process of evolution, intermediates exist. This is an example of convergent evolution. Included are guidelines for teaching students about topics such as climate change and evolution. Heavy metals condense in planets as a result of stellar evolution and destruction processes.