Name four of the disciples that contribute to the study of our interactions with the environment

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

not only is it colder, it also becomes darker, less salty, and more dense.