Interdependence. Interdependence is a key idea in science. As students learn about science, they begin to understand that the earth is not a group of discrete parts but a continuous environment existing over time as well as place.
In order to remove the caffeine from coffee beans, the beans are washed in a solvent (a liquid capable of dissolving substances), transferring the caffeine from bean to liquid in a process known as extraction. To extract caffeine from whole coffee beans, the following solvents can be used:
Decaffeinated coffee has long been in demand as many people enjoy the taste of coffee, but either canât or shouldnât ingest caffeine. There are several processes that can remove the caffeine from coffee. Most today use water decaffeination because it is considered to be the healthiest process.hen this process uses ethyl acetate derived from fruit or vegetables, the coffee is said to be naturally decaffeinated. Instead of steaming the coffee beans, the water method or the indirect method soaks the beans in water.