Bio1110 Chapter 2 Science Literacy and the Process of Science
  1. Sunlight contains harmful ultraviolet radiation that can be blocked by an ozone layer in the stratosphere.

     
  2. An ozone hole over the Antarctic provided evidence that CFC chemicals may have been depleting the ozone layer.

     
  3. Scientific investigations involve using observations to formulate hypotheses in a series of steps called the process.


     
  4. Hypotheses that hold up to testing over time may be called theories.