The answer is Agriculture.
The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries.
Basically, it was a NASA Space Task Group, and the goal of the program were to orbit a manned spacecraft around Earth, investigate the pilot's ability to function in space, and to recover both pilot and spacecraft safely .
hope this one has helped you any today . :)
