Two crazed train trollies 75km apart approach each other on the same track, each moving at 15km/h. A crazed rabid chicken flies back and forth between the trollies at 20km/h until they collide. What is the total distance the chicken flies? Assume the chicken is indestructible and is not harmed

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

Which of the following is a source of heat for magma formation? magma plumes in the continental crust friction due to divergence friction due to subduction magma plumes in the oceanic crust

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.