The Bormann-Likens Study in the Hubbard Brook Experimental Forest in New

Multiple Choice

The Bormann-Likens study in the Hubbard Brook Experimental Forest in New Hampshire can be described as ____.

A) a comparison of a control site with an experimental site in nature
B) a study using computer model simulations of a complex natural system
C) an experiment in which too many factors were varied to draw a conclusion from the results
D) missing a baseline for comparison, making it difficult to draw a conclusion from the results
E) an observational study that attempted not to interfere with a natural system