Solved: A controlled experiment is one that a. proceeds
Chapter 0, Problem 9(choose chapter or problem)
A controlled experiment is one that a. proceeds slowly enough that a scientist can make careful records ofthe results. b. may include experimental groups and control groups tested in parallel. c. is repeated many times to make sure the results areaccurate.d. keeps all environmental variables constant.e. is supervised by an experienced scientist.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer