Geology is a branch of Earth science that emphasizes the study of the physical characteristics of the Earth as well as the movement and formation of rocks and other solid features contained therein.

Mexico, officially the United Mexican States, is a federal constitutional republic in North America. Working may require a work visa, which is difficult to get if you want to freelance for a short time. Most of the government-funded universities in major cities (state capital) have short courses on history, gastronomy, and cultural subjects, and most of them are almost free.

A masters is earned after students complete an undergraduate degree program. To obtain a masters, you usually need to complete 12 to 18 college courses that often involve completing comprehensive tests and/or a thesis.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.