"What can I do with a BS degree in geology and/or geophysics?"
There are many career opportunities for students with a Bachelor's degree in Geology and/or Geophysics:
Government Agencies
US and State Geological Surveys
NASA
State Departments of Natural Resources (DNR)
Environmental Protection Agency (EPA)
Department of Energy
National Oceanographic and Atmospheric Administration (NOAA)
Industry
Environmental Consulting Agencies
Mineral and Resource Exploration
Academia
Continue education with a Masters and/or PhD
Research and/or Teaching at college/university level
Listed here are some more resources regarding geoscience careers. Again, this list is not exhaustive, please feel free to search for other available resources.