5. Principal Rodriguez has asked all students exit the building by 2:45 pm! If you want to exit efficiently from upstairs you will need to travel 30 m down the stairs, 15 m to the right, and then 20
m to the left. Calculate your total distance.

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.

Why should seat belts not be mandatory quick plz

Positive ions differ from neutral atoms in that