Nina designed and carried out an experiment about light and plant growth over a specified time period. She displayed her results in the graph shown below. With the teacher’s approval, Robert chose to perform the exact same experiment. What was Robert trying to accomplish? A. Robert is trying to analyze the results of Nina’s experiment. B. Robert is trying to replicate Nina’s experiment. C. Robert is trying to repeat Nina’s experiment. D. Robert is trying to redesign Nina’s experiment.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Loss of protected health information collected for research should be directly reported to:

Which of the following human activities resulted in the growth of the north american deer population?